mntctl --version (return code: 0)
mntctl (mountall 2.49)
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
mntctl --help (return code: 0)
Usage: mntctl [OPTION]... COMMAND [OPTION]... [ARG]...
Options:
-q, --quiet reduce output to errors only
-v, --verbose increase output to include informational messages
--help display this help and exit
--version output version information and exit
For a list of commands, try `mntctl help'.
Report bugs to <ubuntu-devel@lists.ubuntu.com>