OS Manuals

/usr/bin/grub-mount

the grand unified bootloader

From grub 2.16-r1 (enterprise-packages), captured 2026-11-08 by running grub-mount --help (exit 0). permalink

Usage: grub-mount [OPTION...] IMAGE1 [IMAGE2 ...] MOUNTPOINT
Debug tool for filesystem driver.

  -C, --crypto               Mount crypto devices.
  -d, --debug=STRING         Set debug environment variable.
  -K, --zfs-key=FILE|prompt  Load zfs crypto key.
  -r, --root=DEVICE_NAME     Set root 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.
Options (8)
OptionDescriptionSource
-C, --cryptoMount crypto devices.help
-d, --debug STRINGSet debug environment variable.help
-K, --zfs-key FILE|promptLoad zfs crypto key.help
-r, --root DEVICE_NAMESet root device.help
-v, --verboseprint verbose messages.help
-?, --helpgive this help listhelp
--usagegive a short usage messagehelp
-V, --versionprint program versionhelp

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.