mtr --version (return code: 0)
mtr 0.86
mtr --help (return code: 0)
usage: mtr [--help] [--version] [-4|-6] [-F FILENAME]
[--report] [--report-wide]
[--xml] [--gtk] [--curses] [--raw] [--csv] [--split]
[--no-dns] [--show-ips] [-o FIELDS] [-y IPINFO] [--aslookup]
[-i INTERVAL] [-c COUNT] [-s PACKETSIZE] [-B BITPATTERN]
[-Q TOS] [--mpls]
[-a ADDRESS] [-f FIRST-TTL] [-m MAX-TTL]
[--udp] [--tcp] [-P PORT] [-Z TIMEOUT]
[-M MARK] HOSTNAME
See the man page for details.