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 ypwhich(1)							  ypwhich(1)




 NAME
      ypwhich - list which host is Network Information System server or map
      master

 SYNOPSIS
      ypwhich

      ypwhich [-d domain] [-V1 | -V2] [hostname]

      ypwhich [-d domain] [-t] [-m [mname]]

      ypwhich -x

    Remarks
      The Network Information Service (NIS) was formerly known as Yellow
      Pages (yp).  Although the name has changed, the functionality of the
      service remains the same.

 DESCRIPTION
      ypwhich lists the host name of the Network Information System (NIS)
      server that supplies NIS services to a NIS client.  It can also print
      the NIS server that is the master for mname.  The mname can be either
      a mapname or a map nickname.  A map nickname is a synonym by which a
      NIS map can be referenced.

      If invoked without arguments, ypwhich prints the host name of the NIS
      server serving the local machine.	 If hostname is specified, that
      machine is queried to determine which NIS server it is using.

    Options
      ypwhich recognizes the following command-line options and arguments:

	   -d	       Specify a domain other than the one returned by
		       domainname(1).

	   -V1	       List the server that is serving Version 1 NIS
		       protocol-speaking client processes.

	   -V2	       List the server that is serving Version 2 NIS
		       protocol-speaking client processes.

		       If neither version is specified, ypwhich locates the
		       server supplying the Version 2 (current) services.
		       However, if no Version 2 server is found, ypwhich
		       attempts to locate the server supplying the Version 1
		       services.  Since NIS servers and NIS clients are both
		       backward compatible, the user seldom needs to know
		       which version is being used.

	   -t	       Inhibit the translation of a map's nickname to its
		       corresponding mapname. For example, ypwhich -t -m



 Hewlett-Packard Company	    - 1 -   HP-UX Release 11i: November 2000






 ypwhich(1)							  ypwhich(1)




		       passwd fails because there is no map named passwd,
		       whereas ypwhich -m passwd translates to ypwhich -m
		       passwd.byname.  This option is useful if a mapname is
		       identical to a nickname (which is not true of any HP
		       map).

	   -m [mname]  List the master NIS server for a map.  No hostname
		       can be specified with -m.  The mname can be a mapname
		       or a map nickname.  If mname is omitted, a complete
		       list of available maps and the corresponding host
		       names of the master NIS servers is produced.

	   -x	       Display the table that lists the nickname for each
		       NIS map.

 AUTHOR
      ypwhich was developed by Sun Microsystems, Inc.

 SEE ALSO
      domainname(1), ypserv(1M), ypset(1M), ypfiles(4).


































 Hewlett-Packard Company	    - 2 -   HP-UX Release 11i: November 2000