xref: /dragonfly/share/man/man5/networks.5 (revision 9dbf638f)
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32.\"     @(#)networks.5	8.1 (Berkeley) 6/5/93
33.\" $FreeBSD: src/share/man/man5/networks.5,v 1.5.2.3 2001/08/17 13:08:47 ru Exp $
34.\" $DragonFly: src/share/man/man5/networks.5,v 1.2 2003/06/17 04:37:00 dillon Exp $
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36.Dd June 5, 1993
37.Dt NETWORKS 5
38.Os
39.Sh NAME
40.Nm networks
41.Nd network name data base
42.Sh DESCRIPTION
43The
44.Nm
45file contains information regarding
46the known networks which comprise the
47.Tn DARPA
48Internet.
49For each network a single line should be present with the following information:
50.Bd -unfilled -offset indent
51official network name
52network number
53aliases
54.Ed
55.Pp
56Items are separated by any number of blanks and/or tab characters.
57A ``#'' indicates the beginning of a comment; characters up to the end of
58the line are not interpreted by routines which search the file.
59This file is normally created from the official network data base
60maintained at the Network Information Control Center
61.Pq Tn NIC ,
62though local
63changes may be required to bring it up to date regarding unofficial aliases
64and/or unknown networks.
65.Pp
66Network numbers may be specified in the conventional
67``.''  (dot) notation using the
68.Xr inet_network 3
69routine
70from the Internet address manipulation library,
71.Xr inet 3 .
72Network names may contain any printable character other than a field
73delimiter, newline, or comment character.
74.Sh FILES
75.Bl -tag -width /etc/networks -compact
76.It Pa /etc/networks
77The
78.Nm
79file resides in
80.Pa /etc .
81.El
82.Sh SEE ALSO
83.Xr getnetent 3
84.Sh BUGS
85A name server should be used instead of a static file.
86.Sh HISTORY
87The
88.Nm
89file format appeared in
90.Bx 4.2 .
91