"A boot loader is a program that resides in the starting sectors
of a disk, e.g., the MBR (Master Boot Record) of the hard disk.
After testing the system during bootup, the BIOS (Basic
Input/Output System) tranfers control to the MBR if the system is
set to be booted from there. Then the program residing in MBR gets
executed. This program is called the boot loader. Its duty is to
transfer control to the operating system, which will then proceed
with the boot process."
"There are a lot of boot loader programs available, including
GNU GRUB (Grand Unified Boot Loader), Bootmanager, LILO (LInux
LOader), NTLDR (boot loader for Windows NT systems), etc. I've
chosen to discuss GNU GRUB and how to use it."
"GRUB is a very powerful boot loader that can load a variety
of operating systems such as Windows, DOS, Linux, GNU Hurd, *BSD,
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