For more information on how GRUB works, type man grub or info grub. The info command
contains more details about GRUB.
Booting with GRUB
When you install Linux, you are typically given the option to configure the information needed to boot
your computer (with one or more operating systems) into the default boot loader. With GRUB configured,
when you boot your computer, the first thing you see after the BIOS loads is the GRUB boot
screen (it says GRUB at the top and lists bootable partitions below it). Do one of the following:
Default??”If you do nothing, the default operating system will boot automatically
after a few seconds. (The timeout is set by the timeout value, in seconds, in the
grub.conf file.)
Select an operating system??”Use the up and down arrow keys to select any of the
titles, representing operating systems you can boot, that are shown on the screen. Then
press Enter to boot that operating system.
Edit the boot process??”If you want to change any of the options used during the boot
process, use the arrow keys to highlight the operating system you want and type e to
select it. Follow the next procedure to change your boot options temporarily.
If you want to change your boot options so that they take effect every time you boot your computer,
see the section on permanently changing boot options.
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