Provided by: yp-tools_3.3-5.1ubuntu1_amd64
ypmatch - print the values of one or more keys from a NIS map
ypmatch [ -kt ] [ -d domain ] key ... mapname ypmatch -x
ypmatch prints the values of one or more keys from the NIS database specified by mapname, which may be a map name or a map nickname.
-d domain Specify a domain other than the default domain as returned by domainname(8). -k Display map keys. This option is useful with maps in which the values are null or the key is not part of the value. -t This option inhibits map nickname translation. -x Display the map nickname translation table.
/var/yp/nicknames map nickname translation table.
ypmatch is part of the yp-tools package, which was written by Thorsten Kukuk <kukuk@linux- nis.org>.