|  | # [ADDR:]service_name           must be in /etc/services, or port number | 
|  | # socket_type                   stream/dgram/raw/rdm/seqpacket | 
|  | # protocol                      tcp/udp | 
|  | # wait/nowait[.max]             wait is usually for udp, nowait for tcp | 
|  | #                               max: max copies to run | 
|  | # user[.group] or user[:group]  user and group to run under | 
|  | # binary                        program to run | 
|  | # arg0 arg1 arg2...             arguments, INCLUDING program name (arg0) | 
|  |  | 
|  | # serv	socket pro  w/nw   user binary args | 
|  |  | 
|  | # IPv6 | 
|  | 555	dgram  udp6 wait   root echo echo Hello IPv6 udp world | 
|  | # ...with ADDR prefix: | 
|  | ::1:444	stream tcp6 nowait root echo echo Hello IPv6 localhost | 
|  |  | 
|  | # Rarely seen case: tcp *wait* service | 
|  | telnet	stream tcp  wait   root telnetd telnetd -w10 |