Fix flag punning bug which would cause IFF_ALTPHYS interfaces to generate
[unix-history] / usr.sbin / yp / yp.8
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1.\" Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca>
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. The name of the author may not be used to endorse or promote
13.\" products derived from this software without specific prior written
14.\" permission.
15.\"
16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
17.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26.\" SUCH DAMAGE.
27.\"
28.\" from: @(#)yp.8 1.0 (deraadt) 4/26/93
9258f8b2 29.\" $Id: yp.8,v 1.4 1993/08/01 07:22:47 mycroft Exp $
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30.\"
31.Dd April 5, 1993
32.Dt YP 8
33.Os BSD 4.2
34.Sh NAME
35.Nm yp
36.Nd description of the YP system
37.Sh SYNOPSIS
38.Nm yp
39.Sh DESCRIPTION
40The
41.Nm YP
42subsystem allows network management of passwd and group file
43entries through the functions getpwent(3) and getgrent(3).
44The
45.Nm YP
46subsystem is started automatically in
47.Nm /etc/netstart
48if the directory
49.Nm /var/yp
50exists.
51.Sh BUGS
52Only
53.Nm YP
54client functionality exists -- the server code has not yet been
55written. Brave folk can contact the author.
56
57.Nm /etc/passwd
58and
59.Nm /etc/group only supports "+" entries.
60
61Many more manual pages should be written, especially ypclnt(3).
62For the time being, seek out a local Sun machine and read the
63manuals for there.
64
65Neither Sun nor this author have found a clean way to handle
66the problems that occur when ypbind cannot find its server
67upon bootup.
68.Sh HISTORY
69The
70.Nm YP
71subsystem was written from the ground up by Theo de Raadt
72to be compatible to Sun's implimentation. No Sun code was
73referenced.