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domainname(1)							 domainname(1)

NAME
       domainname - display or set the name of the current NIS domain for this
       system

SYNOPSIS
       domainname [nameofdomain]

DESCRIPTION
       The domainname command, when used without  an  argument,	 displays  the
       name  of	 the current domain. When used with argument, sets the current
       Network Information Service (NIS) domain name to the  specified	domain
       name.

       A  domain  is  a logical grouping of networked-connected systems estab‐
       lished for the purpose of sharing a  common  set	 of  NIS  data	files.
       Domains are only used by NIS.

       The  NIS	 maps  for  a  particular  domain  are stored in the directory
       /var/yp/domainname on each NIS server.  Each NIS	 map contains a set of
       keys   and  associated  key  values.  For  example,  in	a  map	called
       hosts.byname, the host names stored there constitute the keys. The cor‐
       responding  internet  addresses	of each host constitute the associated
       key values.

SEE ALSO
       ypfiles(4), ypsetup(8)

								 domainname(1)

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