DOKK / manpages / debian 12 / yp-tools / ypwhich.1.en
ypwhich(1) General Commands Manual ypwhich(1)

ypwhich - return name of NIS server or map master

ypwhich [ -d domain ] [ -Vn ] [ hostname ]
ypwhich [ -d domain ] [ -t ] -m [ mname ]
ypwhich -x

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 hostname is specified, that machine is queried to find out which NIS master it is using.

Specify a domain other than the default domain.
This option inhibits map nickname translation.
Find the master NIS server for a map. No hostname can be specified with the -m option. mname can be a mapname or nickname for a map. If mname is omitted, ypwhich will produce a list of available maps.
Display the map nickname translation table.
Version of ypbind(8), V3 is default. Use V2 for NIS clients not supporting IPv6.

/var/yp/nicknames
map nickname translation table.

domainname(8), nicknames(5), ypbind(8), ypcat(1), ypmatch(1), yppoll(8), ypserv(8), ypset(8)

ypwhich is part of the yp-tools package, which was written by Thorsten Kukuk <kukuk@linux-nis.org>.

April 2010 YP Tools 4.2.3