Linux
Master Boot Record
, , , .

MBR Master Boot Record 512 , , , .
BIOS . , , MBR. , BIOS. MBR , . . .
BIOS, UEFI BIOS, . , UEFI , . BIOS, UEFI, HDD MBR, GPT - GUID Partition table. . UEFI, UEFI GPT , BIOS MBR. GPT MBR. MBR GPT, , MBR , , , GPT , LBA0, LBA1, LBA2. GPT , , , . Linux . MBR .
, . fdisk l
:

/dev/sda1 , , MBR. , - dd. , . , , .. . : dd if=/dev/sda of=/root/backup.mbr bs=512 count=1
. if , of - , bs 1 512, count - .

, , , MBR.
Lilo Linux Loader

Linux Unix , , . , Lilo , 16 . Linux.
GRUB2, Lilo, .
- apt-get install lilo
.

, lilo, , , . . liloconfig. , . cat /etc/lilo.conf
.
, lilo, . . lba32. --, logical block , .

boot MBR. , , /dev/disks/by-id/ata*
uuid . , . Lilo , MBR .
- Verbose = 1 Verbose level - , .
- Install = menu - , . Lilo 3 . , .
- Prompt , . 10. .
, . liloconfig . , . read-only. lable, . , OS.

GRUB
GRUB , Lilo. Lilo . Grub legacy. , . .. , GRUB, .
GRUB 2.

. GRUB 2 . , , . , MS Windows NTDLR. Linux. , - , - lilo, Grub grub-install /dev/sda
. grub-install version
.
cat /boot/grub/grub.cfg
.
, lilo GRUB. , . , /etc/grub.d
/etc/default/grub
.
.

. . , grub_default = 0 , grub_hidden_timeout = 0 . grub_hidden_timeout_quiet = true
- , .. . . Grub_cmdlin_linux_default = quiet
, splash - .
.
/etc/grub.d
. , . . , update-grub.