If you are installing another version, make sure you change the version number appropriately when you type the commands at the terminal.
, contains the rules that users must follow when using the sudo command.
There are many more ways you can customize GRUB so it better suits your needs.
It is the first software program that runs when your computer starts.
It is responsible for loading and transferring control to the kernel software which, in turn, initializes the rest of the operating system.
I have not removed the first section (options for GRUB) but I could change the settings i.e. Also, I have added a section in the end of the file that will allow me to return to the main list.
A similar procedure has to be followed for every entry you would like to have on your main list.