rpc.mountd --version (return code: 0)
rpc.mountd version 1.3.3
rpc.mountd --help (return code: 0)
Usage: rpc.mountd [-F|--foreground] [-h|--help] [-v|--version] [-d kind|--debug kind]
[-o num|--descriptors num]
[-p|--port port] [-V version|--nfs-version version]
[-N version|--no-nfs-version version] [-n|--no-tcp]
[-H prog |--ha-callout prog] [-r |--reverse-lookup]
[-s|--state-directory-path path] [-g|--manage-gids]
[-t num|--num-threads=num] [-u|--no-udp]