diff --git a/Assignment 08/200010003_lab8.zip b/Assignment 08/200010003_lab8.zip
new file mode 100644
index 0000000..ef879e7
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diff --git a/Assignment 08/CS314_Report_Lab8.pdf b/Assignment 08/CS314_Report_Lab8.pdf
new file mode 100644
index 0000000..3b674cb
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diff --git a/Assignment 08/data.xlsx b/Assignment 08/data.xlsx
new file mode 100644
index 0000000..b5e4149
Binary files /dev/null and b/Assignment 08/data.xlsx differ
diff --git a/Assignment 08/fifo.cpp b/Assignment 08/fifo.cpp
index 2adbf93..249c90f 100644
--- a/Assignment 08/fifo.cpp	
+++ b/Assignment 08/fifo.cpp	
@@ -7,6 +7,17 @@
 #include <ctime>
 using namespace std;
 
+// 4 mem size
+// 1 2 3 4 1 5 2
+// m m m m h m h : fifo >
+// m m m m h m m : lru
+
+// 4 mem size
+// 1 2 3 4 1 2 5 1 2 3 4 5
+// m m m m h h m m m m m m : fifo
+// m m m m h h m h h m m m : lru >
+
+
 void FIFO(int pages, int frames, vector<int> requests)
 {
     vector<int> pageTable(pages, -1); // array of size eq to num of addressable pages
@@ -44,9 +55,17 @@ void FIFO(int pages, int frames, vector<int> requests)
 // hits: 5 12 16 for 10 20 30
 int main(int argc, char *argv[])
 {
+    if (argc != 5) {
+        cout << "Invalid number of parameters." << endl;
+        exit(2);
+    }
     int pages = atoi(argv[1]);
     int frames = atoi(argv[2]);
     int blocks = atoi(argv[3]);
+    if(blocks < pages){
+        cout<<"Invalid parameter set. Want x < z in the input (x, y, z)"<<endl;
+        exit(1);
+    }
     string filename = argv[4];
     vector<int> requests;
     ifstream infile(filename);
diff --git a/Assignment 08/fifo.out b/Assignment 08/fifo.out
new file mode 100644
index 0000000..08e5b4b
Binary files /dev/null and b/Assignment 08/fifo.out differ
diff --git a/Assignment 08/images/r1.jpg b/Assignment 08/images/r1.jpg
new file mode 100644
index 0000000..96d7cb6
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diff --git a/Assignment 08/images/r2.jpg b/Assignment 08/images/r2.jpg
new file mode 100644
index 0000000..3e1a527
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diff --git a/Assignment 08/images/r3.jpg b/Assignment 08/images/r3.jpg
new file mode 100644
index 0000000..0ad163c
Binary files /dev/null and b/Assignment 08/images/r3.jpg differ
diff --git a/Assignment 08/images/r4.jpg b/Assignment 08/images/r4.jpg
new file mode 100644
index 0000000..f011b90
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diff --git a/Assignment 08/images/r5.jpg b/Assignment 08/images/r5.jpg
new file mode 100644
index 0000000..c78a85c
Binary files /dev/null and b/Assignment 08/images/r5.jpg differ
diff --git a/Assignment 08/lru.cpp b/Assignment 08/lru.cpp
index 37a3ff0..30b42f9 100644
--- a/Assignment 08/lru.cpp	
+++ b/Assignment 08/lru.cpp	
@@ -43,9 +43,17 @@ void LRU(int pages, int frames, vector<int> requests)
 
 int main(int argc, char *argv[])
 {
+    if (argc != 5) {
+        cout << "Invalid number of parameters." << endl;
+        exit(2);
+    }
     int pages = atoi(argv[1]);
     int frames = atoi(argv[2]);
     int blocks = atoi(argv[3]);
+    if(blocks < pages){
+        cout<<"Invalid parameter set. Want x < z in the input (x, y, z)"<<endl;
+        exit(1);
+    }
     string filename = argv[4];
     vector<int> requests;
     ifstream infile(filename);
diff --git a/Assignment 08/random.cpp b/Assignment 08/random.cpp
index 6332232..ee57776 100644
--- a/Assignment 08/random.cpp	
+++ b/Assignment 08/random.cpp	
@@ -39,9 +39,17 @@ void Random(int pages, int frames, vector<int> requests)
 
 int main(int argc, char *argv[])
 {
+    if (argc != 5) {
+        cout << "Invalid number of parameters." << endl;
+        exit(2);
+    }
     int pages = atoi(argv[1]);
     int frames = atoi(argv[2]);
     int blocks = atoi(argv[3]);
+    if(blocks < pages){
+        cout<<"Invalid parameter set. Want x < z in the input (x, y, z)"<<endl;
+        exit(1);
+    }
     string filename = argv[4];
     vector<int> requests;
     ifstream infile(filename);
diff --git a/Assignment 08/random.out b/Assignment 08/random.out
deleted file mode 100644
index 8ec5d48..0000000
Binary files a/Assignment 08/random.out and /dev/null differ
diff --git a/Assignment 08/req.dat b/Assignment 08/req.dat
new file mode 100644
index 0000000..6782823
--- /dev/null
+++ b/Assignment 08/req.dat	
@@ -0,0 +1 @@
+68 35 85 67 71 24 89 61 57 91 30 47 38 87 9 49 29 67 55 84 90 46 59 33 12 50 34 26 36 39 55 66 16 41 85 22 64 68 87 29 49 87 15 49 6 17 41 98 69 22 33 63 63 29 76 5 6 47 7 74 56 11 29 47 24 26 16 89 49 96 8 76 4 52 56 29 2 30 94 27 19 35 32 98 87 25 36 41 1 49 22 87 77 70 62 27 41 76 11 69 29 58 77 67 92 68 89 85 70 17 76 17 15 63 63 49 47 5 6 30 33 41 85 11 64 87 56 76 29 69 68 55 16 24 92 47 50 34 49 41 38 27 26 87 90 35 68 22 59 46 96 36 33 98 85 71 71 87 92 61 9 49 29 67 55 84 90 46 59 33 12 50 34 26 36 39 55 66 16 41 85 22 64 68 87 29 49 87 15 49 6 17 41 98 69 22 33 63 63 29 76 5 6 47 7 74 56 11 29 47 24 26 16 89 49 96 8 76 4 52 56 29 2 30 94 27 19 35 32 98 87 25 36 41 1 49 22 87 77 70 62 27 41 76 11 69 29 58 77 67 92 68 89 85 70 17 76 17 15 63 63 49 47 5 6 30 33 41 85 11 64 87 56 76 29 69 68 55 16 24 92 47 50 34 49 41 38 27 26 87 90 35 68 22 59 46 96 36 33 98 85 71 71 87 92 61 9 49 29 67 55 84 90 46 59 33 12 50 34 26 36 39 55 66 16 41 85 22 64 68 87 29 49 87 15 49 6 17 41 98 69 22 33 63 63 29 76 5 6 47 7 74 56 11 29 47
diff --git a/Assignment 08/req2.dat b/Assignment 08/req2.dat
new file mode 100644
index 0000000..97defad
--- /dev/null
+++ b/Assignment 08/req2.dat	
@@ -0,0 +1 @@
+1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 5 6 7 4 3 10 9 9
diff --git a/Assignment 08/req3.dat b/Assignment 08/req3.dat
new file mode 100644
index 0000000..882df9d
--- /dev/null
+++ b/Assignment 08/req3.dat	
@@ -0,0 +1 @@
+1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
diff --git a/Assignment 08/req4.dat b/Assignment 08/req4.dat
new file mode 100644
index 0000000..b983dfb
--- /dev/null
+++ b/Assignment 08/req4.dat	
@@ -0,0 +1 @@
+1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7
diff --git a/Assignment 08/req5.dat b/Assignment 08/req5.dat
new file mode 100644
index 0000000..b02e4ac
--- /dev/null
+++ b/Assignment 08/req5.dat	
@@ -0,0 +1 @@
+1 2 3 4 1 2 5 1 2 3 4 5
\ No newline at end of file
diff --git a/Assignment 08/run.sh b/Assignment 08/run.sh
new file mode 100644
index 0000000..499c514
--- /dev/null
+++ b/Assignment 08/run.sh	
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+bash run_random.sh 60 $1 60 req5.dat | grep "Faults"
\ No newline at end of file
diff --git a/Assignment 09/Lab 9 Worksheet.pdf b/Assignment 09/Lab 9 Worksheet.pdf
new file mode 100644
index 0000000..48afadc
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