What is Grub?

Grub is abbreviaton of “GRand Unified Bootloader”. It is used as a bootloader.The location of grub is in /boot/grub

$ cd /boot/grub

To see the content.

/boot/grub$ ls -l

Always make a back up before you work with a file system.

$ sudo cp menu.lst menu.lst.backup

To Open the menu.lst file.

:/boot/grub$ sudo gedit menu.lst

If you upgrade your kernel, you will get another choice of running Ubuntu. Either you want to go with your old kernel or start with a new one. Automatically added to menu.lst

:/boot/grub$ sudo apt-get update

:/boot/grub$ sudo apt-get upgrade

:/boot/grub$ sudo apt-get dist-upgrade


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