Scroll to navigation

GRUB-BIOS-SETUP(8) System Administration Utilities GRUB-BIOS-SETUP(8)

NAME

grub-bios-setup - set up a device to boot using GRUB

SYNOPSIS

grub-bios-setup [OPTION...] DEVICE

DESCRIPTION

Set up images to boot from DEVICE.

You should not normally run this program directly. Use grub-install instead.

make the drive also bootable as floppy (default for fdX devices). May break on some BIOSes.
use FILE as the boot image [default=boot.img]
use FILE as the core image [default=core.img]
use GRUB files in the directory DIR [default=/boot/grub]
install even if problems are detected
use FILE as the device map [default=/boot/grub/device.map]
Do not apply any reed-solomon codes when embedding core.img. This option is only available on x86 BIOS targets.
do not probe for filesystems in DEVICE
print verbose messages.
-?, --help
give this help list
give a short usage message
print program version

Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

DEVICE must be an OS device (e.g. /dev/sda).

REPORTING BUGS

Report bugs to <bug-grub@gnu.org>.

SEE ALSO

grub-install(8), grub-mkimage(1), grub-mkrescue(1)

The full documentation for grub-bios-setup is maintained as a Texinfo manual. If the info and grub-bios-setup programs are properly installed at your site, the command

info grub-bios-setup

should give you access to the complete manual.

March 2024 GRUB 2.12-1+b1