grub-fstest(1) debug tool for GRUB filesystem drivers

SYNOPSIS

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

DESCRIPTION

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.