1# [ADDR:]service_name must be in /etc/services, or port number 2# socket_type stream/dgram/raw/rdm/seqpacket 3# protocol tcp/udp 4# wait/nowait[.max] wait is usually for udp, nowait for tcp 5# max: max copies to run 6# user[.group] or user[:group] user and group to run under 7# binary program to run 8# arg0 arg1 arg2... arguments, INCLUDING program name (arg0) 9 10# serv socket pro w/nw user binary args 11 12# IPv6 13555 dgram udp6 wait root echo echo Hello IPv6 udp world 14# ...with ADDR prefix: 15::1:444 stream tcp6 nowait root echo echo Hello IPv6 localhost 16 17# Rarely seen case: tcp *wait* service 18telnet stream tcp wait root telnetd telnetd -w10 19