Linux System Administration
The Boot Process
What is the Boot Loader?
First stage:
The boot loader locates and reads into memory the first stage of an operating system.
Second Stage: The boot loader then transfers control to the rest of the operating system.
In order for a medium to be bootable, the boot loader must be on one of the following:
The boot sector of a floppy disk
The MBR of the first hard disk
The MBR of the first CD-ROM device
The boot sector of a Linux filesystem partition on the first hard drive
The boot sector of an extended partition on the first hard drive
Many Linux distributions are using GRUB (
GR
and
U
nified
B
oot loader)
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