grub-fstest
debug tool for GRUB filesystem drivers
see also :
grub-probe
Synopsis
grub-fstest
[OPTION...] IMAGE_PATH COMMANDS
add an example, a script, a trick and tips
examples
source
[ "$fs"
= fat ]
|| [ "$fs" = ntfs ] || continue
if [ "$(grub-fstest "$partition" ls /yldr
2>/dev/null)" ]; then
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.
see also
grub-probe
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.