grub-fstest (1)

grub-fstest [\,OPTION\/...] \,IMAGE_PATH COMMANDS\/

Debug tool for filesystem driver.

• Commands:

blocklist FILE

Display blocklist of FILE.

cat FILE

Copy FILE to standard output.

cmp FILE LOCAL

Compare FILE with local file LOCAL.

cp FILE LOCAL

Copy FILE to local file LOCAL.

crc FILE

Get crc32 checksum of FILE.

hex FILE

Show contents of FILE in hex.

ls PATH

List files in PATH.

xnu_uuid DEVICE

Compute XNU UUID of the device.

-c, --diskcount=\,NUM\/

Specify the number of input files.

-C, --crypto

Mount crypto devices.

-d, --debug=\,STRING\/

Set debug environment variable.

-K, --zfs-key=\,FILE\/|prompt

Load zfs crypto key.

-n, --length=\,NUM\/

Handle N bytes in output file.

-r, --root=\,DEVICE_NAME\/

Set root device.

-s, --skip=\,NUM\/

Skip N bytes from output file.

-u, --uncompress

Uncompress data.

-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.

grub-probe(8)

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

• info grub-fstest

should give you access to the complete manual.