diff --git a/01-command-line.html b/01-command-line.html
index c21c143..eddf051 100644
--- a/01-command-line.html
+++ b/01-command-line.html
@@ -534,7 +534,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "afm-spm.github.io/topostats-training/01-command-line.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-29",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/02-filedir.html b/02-filedir.html
index d6a2d7a..2b11388 100644
--- a/02-filedir.html
+++ b/02-filedir.html
@@ -1349,7 +1349,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "afm-spm.github.io/topostats-training/02-filedir.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-29",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/03-create.html b/03-create.html
index 674ffb3..37fe966 100644
--- a/03-create.html
+++ b/03-create.html
@@ -548,7 +548,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li><p>The <code>touch</code> command generates a new file called
 <code>my_file.txt</code> in your current directory. You can observe this
@@ -753,7 +753,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -844,7 +844,7 @@ <h3 class="callout-title">Renaming Files<a class="anchor" aria-label="anchor" hr
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No. While this would create a file with the correct name, the
 incorrectly named file still exists in the directory and would need to
@@ -908,7 +908,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>We start in the <code>/Users/jamie/data</code> directory, and create
 a new folder called <code>recombined</code>. The second line moves
@@ -994,7 +994,7 @@ <h3 class="callout-title">Using<code>rm</code>Safely<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1087,7 +1087,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>If given more than one file name followed by a directory name
 (i.e. the destination directory must be the last argument),
@@ -1167,7 +1167,7 @@ <h3 class="callout-title">List filenames matching a pattern<a class="anchor" ari
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The solution is <code>3.</code></p>
 <p><code>1.</code> shows all files whose names contain zero or more
@@ -1289,7 +1289,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1354,7 +1354,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9">Show me the solution</h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1443,7 +1443,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10">Show me the solution</h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p>The first two sets of commands achieve this objective. The first set
 uses relative paths to create the top-level directory before the
@@ -1883,7 +1883,7 @@ <h3 class="callout-title">Exploring More<code>ls</code>Options<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11">Show me the solution</h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <p>The <code>-l</code> option makes <code>ls</code> use a
 <strong>l</strong>ong listing format, showing not only the
@@ -1919,7 +1919,7 @@ <h3 class="callout-title">Listing in Reverse Chronological Order<a class="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12">Show me the solution</h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <p>The most recently changed file is listed last when using
 <code>-rt</code>. This can be very useful for finding your most recent
@@ -2266,7 +2266,7 @@ <h3 class="callout-title">Absolute vs Relative Paths<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13">Show me the solution</h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: <code>.</code> stands for the current directory.</li>
 <li>No: <code>/</code> stands for the root directory.</li>
@@ -2307,7 +2307,7 @@ <h3 class="callout-title">Relative Path Resolution<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14">Show me the solution</h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: there <em>is</em> a directory <code>backup</code> in
 <code>/Users</code>.</li>
@@ -2349,7 +2349,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15">Show me the solution</h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: <code>pwd</code> is not the name of a directory.</li>
 <li>Yes: <code>ls</code> without directory argument lists files and
@@ -2626,7 +2626,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "afm-spm.github.io/topostats-training/03-create.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-29",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 2cfe43e..7877403 100644
--- a/404.html
+++ b/404.html
@@ -301,8 +301,8 @@ <h1>Page not found</h1>
   "url": "afm-spm.github.io/topostats-training/404.html",
   "identifier": "afm-spm.github.io/topostats-training/404.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 0809688..3176de2 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -329,7 +329,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "afm-spm.github.io/topostats-training/CODE_OF_CONDUCT.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-08",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index f1b645e..91a291b 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -380,7 +380,7 @@ <h1>Licenses</h1>
   "identifier": "afm-spm.github.io/topostats-training/LICENSE.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-08",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 2750498..ea0cf2d 100644
--- a/aio.html
+++ b/aio.html
@@ -1874,7 +1874,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li><p>The <code>touch</code> command generates a new file called
@@ -2082,7 +2082,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2176,7 +2176,7 @@ <h3 class="callout-title">Renaming Files<a class="anchor" aria-label="anchor" hr
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No. While this would create a file with the correct name, the
@@ -2244,7 +2244,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>We start in the <code>/Users/jamie/data</code> directory, and create
 a new folder called <code>recombined</code>. The second line moves
@@ -2333,7 +2333,7 @@ <h3 class="callout-title">Using<code>rm</code>Safely<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2427,7 +2427,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>If given more than one file name followed by a directory name
 (i.e. the destination directory must be the last argument),
@@ -2510,7 +2510,7 @@ <h3 class="callout-title">List filenames matching a pattern<a class="anchor" ari
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The solution is <code>3.</code></p>
 <p><code>1.</code> shows all files whose names contain zero or more
@@ -2632,7 +2632,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2697,7 +2697,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9">Show me the solution</h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2786,7 +2786,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10">Show me the solution</h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p>The first two sets of commands achieve this objective. The first set
 uses relative paths to create the top-level directory before the
@@ -3246,7 +3246,7 @@ <h3 class="callout-title">Exploring More<code>ls</code>Options<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11">Show me the solution</h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <p>The <code>-l</code> option makes <code>ls</code> use a
 <strong>l</strong>ong listing format, showing not only the
@@ -3282,7 +3282,7 @@ <h3 class="callout-title">Listing in Reverse Chronological Order<a class="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12">Show me the solution</h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <p>The most recently changed file is listed last when using
 <code>-rt</code>. This can be very useful for finding your most recent
@@ -3633,7 +3633,7 @@ <h3 class="callout-title">Absolute vs Relative Paths<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13">Show me the solution</h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: <code>.</code> stands for the current directory.</li>
@@ -3679,7 +3679,7 @@ <h3 class="callout-title">Relative Path Resolution<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14">Show me the solution</h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: there <em>is</em> a directory <code>backup</code> in
@@ -3725,7 +3725,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15">Show me the solution</h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: <code>pwd</code> is not the name of a directory.</li>
@@ -3999,8 +3999,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "afm-spm.github.io/topostats-training/aio.html",
   "identifier": "afm-spm.github.io/topostats-training/aio.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index dd192e0..c344d0b 100644
--- a/images.html
+++ b/images.html
@@ -370,8 +370,8 @@ <h3 id="03-create-figure-6">Figure 6</h3>
   "url": "afm-spm.github.io/topostats-training/images.html",
   "identifier": "afm-spm.github.io/topostats-training/images.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index f746f0c..411844e 100644
--- a/index.html
+++ b/index.html
@@ -399,8 +399,8 @@ <h4 class="accordion-header" id="headingSolution3">Linux</h4>
   "url": "afm-spm.github.io/topostats-training/index.html",
   "identifier": "afm-spm.github.io/topostats-training/index.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index a1df77b..d00e7cb 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -344,8 +344,8 @@ <h1>Instructor Notes</h1>
   "url": "afm-spm.github.io/topostats-training/instructor-notes.html",
   "identifier": "afm-spm.github.io/topostats-training/instructor-notes.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/01-command-line.html b/instructor/01-command-line.html
index 3d0b862..86bc3b8 100644
--- a/instructor/01-command-line.html
+++ b/instructor/01-command-line.html
@@ -536,7 +536,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "afm-spm.github.io/topostats-training/instructor/01-command-line.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-29",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/02-filedir.html b/instructor/02-filedir.html
index 4bd7227..cb83a1f 100644
--- a/instructor/02-filedir.html
+++ b/instructor/02-filedir.html
@@ -1366,7 +1366,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "afm-spm.github.io/topostats-training/instructor/02-filedir.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-29",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/03-create.html b/instructor/03-create.html
index 93af2e0..5a1cfe4 100644
--- a/instructor/03-create.html
+++ b/instructor/03-create.html
@@ -438,7 +438,7 @@ <h3 class="callout-title">Good names for files and directories<a class="anchor"
   <h3 class="accordion-header" id="headingInstructor1">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
 <div class="accordion-body">
 <p>Learners can sometimes get trapped within command-line text editors
 such as Vim, Emacs, or Nano. Closing the terminal emulator and opening a
@@ -567,7 +567,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li><p>The <code>touch</code> command generates a new file called
 <code>my_file.txt</code> in your current directory. You can observe this
@@ -772,7 +772,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -863,7 +863,7 @@ <h3 class="callout-title">Renaming Files<a class="anchor" aria-label="anchor" hr
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No. While this would create a file with the correct name, the
 incorrectly named file still exists in the directory and would need to
@@ -927,7 +927,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>We start in the <code>/Users/jamie/data</code> directory, and create
 a new folder called <code>recombined</code>. The second line moves
@@ -1013,7 +1013,7 @@ <h3 class="callout-title">Using<code>rm</code>Safely<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1106,7 +1106,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>If given more than one file name followed by a directory name
 (i.e. the destination directory must be the last argument),
@@ -1186,7 +1186,7 @@ <h3 class="callout-title">List filenames matching a pattern<a class="anchor" ari
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The solution is <code>3.</code></p>
 <p><code>1.</code> shows all files whose names contain zero or more
@@ -1308,7 +1308,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1373,7 +1373,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9">Show me the solution</h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1462,7 +1462,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10">Show me the solution</h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p>The first two sets of commands achieve this objective. The first set
 uses relative paths to create the top-level directory before the
@@ -1589,7 +1589,7 @@ <h3 class="card-title">Objectives</h3>
   <h3 class="accordion-header" id="headingInstructor2">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor2" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor2" aria-labelledby="headingInstructor2">
+<div id="collapseInstructor2" class="accordion-collapse collapse" aria-labelledby="headingInstructor2" data-bs-parent="#accordionInstructor2">
 <div class="accordion-body">
 <p>Introducing and navigating the filesystem in the shell (covered in <a href="02-filedir.html">Navigating Files and Directories</a> section) can
 be confusing. You may have both terminal and GUI file explorer open side
@@ -1917,7 +1917,7 @@ <h3 class="callout-title">Exploring More<code>ls</code>Options<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11">Show me the solution</h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <p>The <code>-l</code> option makes <code>ls</code> use a
 <strong>l</strong>ong listing format, showing not only the
@@ -1953,7 +1953,7 @@ <h3 class="callout-title">Listing in Reverse Chronological Order<a class="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12">Show me the solution</h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <p>The most recently changed file is listed last when using
 <code>-rt</code>. This can be very useful for finding your most recent
@@ -2300,7 +2300,7 @@ <h3 class="callout-title">Absolute vs Relative Paths<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13">Show me the solution</h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: <code>.</code> stands for the current directory.</li>
 <li>No: <code>/</code> stands for the root directory.</li>
@@ -2341,7 +2341,7 @@ <h3 class="callout-title">Relative Path Resolution<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14">Show me the solution</h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: there <em>is</em> a directory <code>backup</code> in
 <code>/Users</code>.</li>
@@ -2383,7 +2383,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15">Show me the solution</h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: <code>pwd</code> is not the name of a directory.</li>
 <li>Yes: <code>ls</code> without directory argument lists files and
@@ -2660,7 +2660,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "afm-spm.github.io/topostats-training/instructor/03-create.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-29",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index 74659ba..1e9a7a0 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -301,8 +301,8 @@ <h1>Page not found</h1>
   "url": "afm-spm.github.io/topostats-training/instructor/404.html",
   "identifier": "afm-spm.github.io/topostats-training/instructor/404.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 0d11e09..9c07751 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -331,7 +331,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "afm-spm.github.io/topostats-training/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-08",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 7685353..ecddc28 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -382,7 +382,7 @@ <h1>Licenses</h1>
   "identifier": "afm-spm.github.io/topostats-training/instructor/LICENSE.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-08",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index b838f7d..c978296 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -1778,7 +1778,7 @@ <h3 class="callout-title">Good names for files and directories<a class="anchor"
   <h3 class="accordion-header" id="headingInstructor1">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
 <div class="accordion-body">
 <p>Learners can sometimes get trapped within command-line text editors
 such as Vim, Emacs, or Nano. Closing the terminal emulator and opening a
@@ -1912,7 +1912,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li><p>The <code>touch</code> command generates a new file called
@@ -2120,7 +2120,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2214,7 +2214,7 @@ <h3 class="callout-title">Renaming Files<a class="anchor" aria-label="anchor" hr
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No. While this would create a file with the correct name, the
@@ -2282,7 +2282,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>We start in the <code>/Users/jamie/data</code> directory, and create
 a new folder called <code>recombined</code>. The second line moves
@@ -2371,7 +2371,7 @@ <h3 class="callout-title">Using<code>rm</code>Safely<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2465,7 +2465,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>If given more than one file name followed by a directory name
 (i.e. the destination directory must be the last argument),
@@ -2548,7 +2548,7 @@ <h3 class="callout-title">List filenames matching a pattern<a class="anchor" ari
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The solution is <code>3.</code></p>
 <p><code>1.</code> shows all files whose names contain zero or more
@@ -2670,7 +2670,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2735,7 +2735,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9">Show me the solution</h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2824,7 +2824,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10">Show me the solution</h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p>The first two sets of commands achieve this objective. The first set
 uses relative paths to create the top-level directory before the
@@ -2962,7 +2962,7 @@ <h3 class="card-title">Objectives</h3>
   <h3 class="accordion-header" id="headingInstructor2">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor2" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor2" aria-labelledby="headingInstructor2">
+<div id="collapseInstructor2" class="accordion-collapse collapse" aria-labelledby="headingInstructor2" data-bs-parent="#accordionInstructor2">
 <div class="accordion-body">
 <p>Introducing and navigating the filesystem in the shell (covered in <a href="02-filedir.html">Navigating Files and Directories</a> section) can
 be confusing. You may have both terminal and GUI file explorer open side
@@ -3299,7 +3299,7 @@ <h3 class="callout-title">Exploring More<code>ls</code>Options<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11">Show me the solution</h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <p>The <code>-l</code> option makes <code>ls</code> use a
 <strong>l</strong>ong listing format, showing not only the
@@ -3335,7 +3335,7 @@ <h3 class="callout-title">Listing in Reverse Chronological Order<a class="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12">Show me the solution</h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <p>The most recently changed file is listed last when using
 <code>-rt</code>. This can be very useful for finding your most recent
@@ -3686,7 +3686,7 @@ <h3 class="callout-title">Absolute vs Relative Paths<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13">Show me the solution</h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: <code>.</code> stands for the current directory.</li>
@@ -3732,7 +3732,7 @@ <h3 class="callout-title">Relative Path Resolution<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14">Show me the solution</h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: there <em>is</em> a directory <code>backup</code> in
@@ -3778,7 +3778,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15">Show me the solution</h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: <code>pwd</code> is not the name of a directory.</li>
@@ -4052,8 +4052,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "afm-spm.github.io/topostats-training/instructor/aio.html",
   "identifier": "afm-spm.github.io/topostats-training/instructor/aio.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index bf8e235..c007843 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -372,8 +372,8 @@ <h3 id="03-create-figure-6">Figure 6</h3>
   "url": "afm-spm.github.io/topostats-training/instructor/images.html",
   "identifier": "afm-spm.github.io/topostats-training/instructor/images.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index fa6267f..efa46f8 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -436,8 +436,8 @@ <h4 class="accordion-header" id="headingSolution3">Linux</h4>
   "url": "afm-spm.github.io/topostats-training/instructor/index.html",
   "identifier": "afm-spm.github.io/topostats-training/instructor/index.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index bed2bbc..0828ae4 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -377,8 +377,8 @@ <h3 id="03-create-headingInstructor1">
   "url": "afm-spm.github.io/topostats-training/instructor/instructor-notes.html",
   "identifier": "afm-spm.github.io/topostats-training/instructor/instructor-notes.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 261b0c4..2055229 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -439,8 +439,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "afm-spm.github.io/topostats-training/instructor/key-points.html",
   "identifier": "afm-spm.github.io/topostats-training/instructor/key-points.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index f8baa21..527ee2e 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -282,8 +282,8 @@ <h1>Learner Profiles</h1>
   "url": "afm-spm.github.io/topostats-training/instructor/profiles.html",
   "identifier": "afm-spm.github.io/topostats-training/instructor/profiles.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index d27b063..efcddcf 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -419,7 +419,7 @@ <h3 id="z">Z<a class="anchor" aria-label="anchor" href="#z"></a></h3>
   "identifier": "afm-spm.github.io/topostats-training/instructor/reference.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-29",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index f1ac00a..accc0d5 100644
--- a/key-points.html
+++ b/key-points.html
@@ -437,8 +437,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "afm-spm.github.io/topostats-training/key-points.html",
   "identifier": "afm-spm.github.io/topostats-training/key-points.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index d5d41fa..f40fe43 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 3.1.11
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-04-02T00:15Z
+last_built: 2024-04-09T00:17Z
 
diff --git a/profiles.html b/profiles.html
index 02f9cd6..5f3a78b 100644
--- a/profiles.html
+++ b/profiles.html
@@ -282,8 +282,8 @@ <h1>Learner Profiles</h1>
   "url": "afm-spm.github.io/topostats-training/profiles.html",
   "identifier": "afm-spm.github.io/topostats-training/profiles.html",
   "dateCreated": "2024-01-08",
-  "dateModified": "2024-04-02",
-  "datePublished": "2024-04-02"
+  "dateModified": "2024-04-09",
+  "datePublished": "2024-04-09"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 17f8507..4624c5b 100644
--- a/reference.html
+++ b/reference.html
@@ -417,7 +417,7 @@ <h3 id="z">Z<a class="anchor" aria-label="anchor" href="#z"></a></h3>
   "identifier": "afm-spm.github.io/topostats-training/reference.html",
   "dateCreated": "2024-01-08",
   "dateModified": "2024-01-29",
-  "datePublished": "2024-04-02"
+  "datePublished": "2024-04-09"
 }
 
   </script><script>