rmt --version (return code: 0)
rmt (GNU tar) 1.28
Copyright (C) 2014 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 Sergey Poznyakoff.
rmt --help (return code: 0)
Usage: rmt [OPTION...]
Manipulate a tape drive, accepting commands from a remote process
-d, --debug=NUMBER set debug level
--debug-file=FILE set debug output file name
-?, --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-tar@gnu.org>.