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93051050 WJ |
1 | .\" Copyright (c) 1983, 1991 The Regents of the University of California. |
2 | .\" All rights reserved. | |
3 | .\" | |
4 | .\" Redistribution and use in source and binary forms, with or without | |
5 | .\" modification, are permitted provided that the following conditions | |
6 | .\" are met: | |
7 | .\" 1. Redistributions of source code must retain the above copyright | |
8 | .\" notice, this list of conditions and the following disclaimer. | |
9 | .\" 2. Redistributions in binary form must reproduce the above copyright | |
10 | .\" notice, this list of conditions and the following disclaimer in the | |
11 | .\" documentation and/or other materials provided with the distribution. | |
12 | .\" 3. All advertising materials mentioning features or use of this software | |
13 | .\" must display the following acknowledgement: | |
14 | .\" This product includes software developed by the University of | |
15 | .\" California, Berkeley and its contributors. | |
16 | .\" 4. Neither the name of the University nor the names of its contributors | |
17 | .\" may be used to endorse or promote products derived from this software | |
18 | .\" without specific prior written permission. | |
19 | .\" | |
20 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
21 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
24 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
25 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
26 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
27 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
28 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
30 | .\" SUCH DAMAGE. | |
31 | .\" | |
32 | .\" @(#)networks.5 6.5 (Berkeley) 5/10/91 | |
33 | .\" | |
34 | .Dd May 10, 1991 | |
35 | .Dt NETWORKS 5 | |
36 | .Os BSD 4.2 | |
37 | .Sh NAME | |
38 | .Nm networks | |
39 | .Nd network name data base | |
40 | .Sh DESCRIPTION | |
41 | The | |
42 | .Xr networks | |
43 | file contains information regarding | |
44 | the known networks which comprise the | |
45 | .Tn DARPA | |
46 | Internet. | |
47 | For each network a single line should be present with the following information: | |
48 | .Bd -unfilled -offset indent | |
49 | official network name | |
50 | network number | |
51 | aliases | |
52 | .Ed | |
53 | .Pp | |
54 | Items are separated by any number of blanks and/or tab characters. | |
55 | A ``#'' indicates the beginning of a comment; characters up to the end of | |
56 | the line are not interpreted by routines which search the file. | |
57 | This file is normally created from the official network data base | |
58 | maintained at the Network Information Control Center | |
59 | .Pq Tn NIC , | |
60 | though local | |
61 | changes may be required to bring it up to date regarding unofficial aliases | |
62 | and/or unknown networks. | |
63 | .Pp | |
64 | Network number may be specified in the conventional | |
65 | ``.'' (dot) notation using the | |
66 | .Xr inet_network 3 | |
67 | routine | |
68 | from the Internet address manipulation library, | |
69 | .Xr inet 3 . | |
70 | Network names may contain any printable character other than a field | |
71 | delimiter, newline, or comment character. | |
72 | .Sh FILES | |
73 | .Bl -tag -width /etc/networks -compact | |
74 | .It Pa /etc/networks | |
75 | The | |
76 | .Nm networks | |
77 | file resides in | |
78 | .Pa /etc . | |
79 | .El | |
80 | .Sh SEE ALSO | |
81 | .Xr getnetent 3 | |
82 | .Sh BUGS | |
83 | A name server should be used instead of a static file. | |
84 | .Sh HISTORY | |
85 | The | |
86 | .Nm | |
87 | file format appeared in | |
88 | .Bx 4.2 . |