netkit-rlogin -V (return code: 1)
netkit-rlogin: invalid option -- '-'
usage: rlogin [-8ELKd] [-e char] [-i user] [-l user] [-p port] host
netkit-rlogin --help (return code: 1)
netkit-rlogin: invalid option -- '-'
usage: rlogin [-8ELKd] [-e char] [-i user] [-l user] [-p port] host