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GRU-BIO-SETUP
Section: System Administration Utilities (8)Updated: August 2025
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NAME
gru-bio-setup - set up a device to boot using GRUBSYNOPSIS
gru-bio-setup [,OPTION/...] ,DEVICE/DESCRIPTION
Set up images to boot from DEVICE.You should not normally run this program directly. Use grub-install instead.
- -a, --allow-floppy
- make the drive also bootable as floppy (default for fdX devices). May break on some BIOSes.
- -b, --boot-image=,FILE/
- use FILE as the boot image [default=boot.img]
- -c, --core-image=,FILE/
- use FILE as the core image [default=core.img]
- -d, --directory=,DIR/
- use GRUB files in the directory DIR [default=/boot/grub]
- -f, --force
- install even if problems are detected
- -m, --device-map=,FILE/
- use FILE as the device map [default=/boot/grub/device.map]
- --no-rs-codes
- Do not apply any reed-solomon codes when embedding core.img. This option is only available on x86 BIOS targets.
- -s, --skip-fs-probe
- do not probe for filesystems in DEVICE
- -v, --verbose
- print verbose messages.
- -?, --help
- give this help list
- --usage
- give a short usage message
- -V, --version
- 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
gru-install(8), gru-mkimage(1), gru-mkrescue(1)The full documentation for gru-bio-setup is maintained as a Texinfo manual. If the info and gru-bio-setup programs are properly installed at your site, the command
- info gru-bio-setup
should give you access to the complete manual.