Provided by: nis_3.17-12ubuntu1_i386 netgroup - specify network
groups The netgroup file defines "netgroups", which are sets of
(host, user, domain) tuples, used for permission checking when
doing remote mounts, remote logins and remote shells. Each line
in the file consists of a netgroup name followed by a by a list
of members, where a member is either another netgroup name, or a
(host, user, domain) where the host, user, and domain are
character strings for the corresponding components. Any of the
three fields can be empty, in which case it specifies a
"wildcard", or may consist of the string "-" to specify "no
valid value". The domain field must either be the local domain
name or empty for the netgroup entry to be used. This field does
not limit the netgroup or provide security. The domain field
refers to the domain in which the triple is valid, not the
domain containing the the trusted host. A gateway machine should
be listed under all possible hostnames by which it may be
recognized: gateway (server,,) (