(thing) by Seumas Sun Mar 12 2000 at 6:00:27
/etc/protocols contains individual lines which describe protocol used on a network. The format /etc/protocols is usually similar to the following:

ip        0     IP     # internet protocol number
icmp      1     ICMP   # internet control message
protocol  3     GGP    # gateway-gateway protocol
tcp       6     TCP    # transmission control protocol
egp       8     EGP    # exterior gateway protocol
udp       17    UDP    # user datagram protocol
I like it!

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