GRUB-FSTEST(3) Library Functions Manual GRUB-FSTEST(3) NAME grub-fstest — Debug tool for GRUB's filesystem driver. SYNOPSIS grub-fstest [-c | --diskcount=NUM] [-C | --crypto] [-d | --debug=STRING] [-K | --zfs-key=FILE|prompt] [-n | --length=NUM] [-r | --root=DEVICE_NAME] [-s | --skip=NUM] [-u | --uncompress] [-v | --verbose] IMAGE_PATH <blocklist FILE | cat FILE | cmp FILE LOCAL | cp FILE LOCAL | crc FILE | hex FILE | ls PATH | xnu_uuid DEVICE> DESCRIPTION grub-fstest is a tool for testing GRUB's filesystem drivers. You should not normally need to run this pro‐ gram. OPTIONS --diskcount=NUM Specify the number of input files. --crypto Mount cryptographic devices. --debug=STRING Set debug environment variable. --zfs-key=FILE|prompt Load ZFS cryptographic key. --length=NUM Handle NUM bytes in output file. --root=DEVICE_NAME Set root device. --skip=NUM Skip NUM bytes from output file. --uncompress Uncompress data. --verbose Print verbose messages. cp FILE LOCAL Copy FILE to local file LOCAL. crc FILE Display the CRC-32 checksum of FILE. hex FILE Display contents of FILE in hexidecimal. ls PATH List files at PATH. xnu_uuid DEVICE Display the XNU UUID of DEVICE. SEE ALSO info grub Wed Feb 26 2014 GRUB-FSTEST(3)