mt-gnu --version (return code: 0)
mt (GNU cpio) 2.11
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by David MacKenzie and Sergey Poznyakoff.
mt-gnu --help (return code: 0)
Usage: mt-gnu [OPTION...] operation [count]
control magnetic tape drive operation
-f, --file=DEVICE use device as the file name of the tape drive to
operate on
--rsh-command=COMMAND use remote COMMAND instead of rsh
-?, --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.
Report bugs to <bug-cpio@gnu.org>.