grub-mount

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.

The full documentation for grub-mount is maintained as a Texinfo manual. If the info and grub-mount programs are properly installed at your site, the command info grub-mount should give you access to the complete manual.