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.\" Copyright (C) 1998, 1999, 2007, 2010, 2014 Thorsten Kukuk
.\" This file is part of the yp-tools.
.\" Author: Thorsten Kukuk <kukuk@linux-nis.org>
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.TH ypwhich 1 "April 2010" "YP Tools 3.3"
.SH NAME
ypwhich - return name of NIS server or map master
.SH SYNOPSIS
.B ypwhich
[
.BI \-d " domain"
]
[
.BR \-V "n"
]
[
.I hostname
]
.br
.B ypwhich
[
.BI \-d " domain"
]
[
.B \-t
]
.B \-m
[
.I mname
]
.br
.B ypwhich
.B \-x
.LP
.SH DESCRIPTION
.B ypwhich
returns the name of the NIS server that supplies the NIS
services to a NIS client, or which is the master for a map.
If invoked without arguments, it gives the NIS server for
the local machine. If
.I hostname
is specified, that machine is queried to find out which NIS
master it is using.
.SH OPTIONS
.TP
.BI \-d " domain"
Specify a domain other than the default domain.
.TP
.B \-t
This option inhibits map nickname translation.
.TP
.BI \-m " mname"
Find the master NIS server for a map.
No
.I hostname
can be specified with the
.B \-m
option.
.I mname
can be a mapname or nickname for a map.
If
.I mname
is omitted,
.B ypwhich
will produce a list of available maps.
.TP
.B \-x
Display the map nickname translation table.
.TP
.B \-Vn
Version of
.BR ypbind (8),
V3 is default. Use V2 for NIS clients not supporting IPv6.

.SH FILES
.TP
.B /var/yp/nicknames
map nickname translation table.
.SH "SEE ALSO"
.BR domainname (8),
.BR nicknames (5),
.BR ypbind (8),
.BR ypcat (1),
.BR ypmatch (1),
.BR yppoll (8),
.BR ypserv (8),
.BR ypset (8)
.LP
.SH AUTHOR
.B ypwhich
is part of the
.B yp-tools
package, which was written by Thorsten Kukuk <kukuk@linux-nis.org>.