GRUB-FSTEST(1) User Commands GRUB-FSTEST(1) NAME grub-fstest - 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 op- tional for any corresponding short options. SEE ALSO 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. GRUB 2.02~beta2 August 2026 GRUB-FSTEST(1)
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO
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