just a repository of usefull scripts for linux to install the update kernel grub sys upgrade and update system wide so you can use it anywhere by typing "update" please run $ chmod 755 install then $./install next type update anywhere system_update.sh, is an interactive system update and upgrader, it can do any type of upgrade and upgrade your system/dist, your kernel/initramfs/ and your grub bootloader. boot backup only works on rooted phones, will automate the process of backing up the image of your choice, eg. boot recovery, vbmeta, dtbo... into the file of your chossing