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NETWORKS(5)                                                            Linux System Administration                                                           NETWORKS(5)

NAME
       networks - network name information

DESCRIPTION
       The  file  /etc/networks is a plain ASCII file that describes known DARPA networks and symbolic names for these networks.  Each line represents a network and has
       the following structure:

              name number aliases ...

       where the fields are delimited by spaces or tabs.  Empty lines are ignored.  The hash character (#) indicates the start of a comment: this character, and the re‐
       maining characters up to the end of the current line, are ignored by library functions that process the file.

       The field descriptions are:

       name   The symbolic name for the network.  Network names can contain any printable characters except white-space characters or the comment character.

       number The official number for this network in numbers-and-dots notation (see inet(3)).  The trailing ".0" (for the host component of the network address) may be
              omitted.

       aliases
              Optional aliases for the network.

       This file is read by the route(8) and netstat(8) utilities.  Only Class A, B, or C networks are supported, partitioned networks (i.e., network/26 or  network/28)
       are not supported by this file.

FILES
       /etc/networks
              The networks definition file.

SEE ALSO
       getnetbyaddr(3), getnetbyname(3), getnetent(3), netstat(8), route(8)

GNU/Linux                                                                      2008-09-04                                                                    NETWORKS(5)