netgroup man page on NeXTSTEP

netgroup man page on NeXTSTEP

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NETGROUP(5)							   NETGROUP(5)

NAME
       netgroup - list of network groups

DESCRIPTION
       NOTE: This manual page is only relevant if one is running Yellow Pages.
       See netinfo(5) for information on using netgroups with NetInfo.

       Netgroup defines network wide groups, used for permission checking when
       doing  remote  mounts,  remote  logins,	and remote shells.  For remote
       mounts, the information in netgroup is used to classify	machines;  for
       remote  logins  and  remote shells, it is used to classify users.  Each
       line of the netgroup file defines a group and has the format

	       groupname member1 member2 ....

       where memberi is either another group name, or a triple:

	       (hostname, username, domainname)

       Any of three fields can be empty, in which case	it  signifies  a  wild
       card.  Thus

	       universal (,,)

       defines a group to which everyone belongs.  Field names that begin with
       something other than a letter, digit or underscore (such as ``-'') work
       in precisely the opposite fashion.  For example, consider the following
       entries:

	       justmachines  (analytica,-,sun)
	       justpeople    (-,babbage,sun)

       The machine analytica belongs to the group justmachines in  the	domain
       sun, but no users belong to it.	Similarly, the user babbage belongs to
       the group justpeople in the domain sun, but no machines belong to it.

       Network groups are contained in the  yellow  pages,  and	 are  accessed
       through these files:

	       /etc/yp/domainname/netgroup.dir
	       /etc/yp/domainname/netgroup.pag
	       /etc/yp/domainname/netgroup.byuser.dir
	       /etc/yp/domainname/netgroup.byuser.pag
	       /etc/yp/domainname/netgroup.byhost.dir
	       /etc/yp/domainname/netgroup.byhost.pag

       These files can be created from /etc/netgroup using makedbm(8).

FILES
       /etc/netgroup
       /etc/yp/domainname/netgroup.dir
       /etc/yp/domainname/netgroup.pag
       /etc/yp/domainname/netgroup.byuser.dir
       /etc/yp/domainname/netgroup.byuser.pag
       /etc/yp/domainname/netgroup.byhost.dir
       /etc/yp/domainname/netgroup.byhost.pag

SEE ALSO
       getnetgrent(3), exportfs(8), makedbm(8), ypserv(8), netinfo(5)

				1 February 1985			   NETGROUP(5)

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