hosts man page on HP-UX

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hosts(4)							      hosts(4)

       hosts - host name data base

       The  file  associates  Internet (IP) addresses with official host names
       and aliases.  This allows a user to refer to a host by a symbolic  name
       instead of an Internet address.

       This file contain all addresses for local interfaces that needs at boot
       time (see ifconfig(1M)).	 When using the name server  (see  named(1M)),
       or Network Information Service (see ypserv(1M)), this file often serves
       as a backup when the server is not running.  In such circumstances,  it
       is  a common practice for to contain a few addresses of machines on the
       local network.

       should contain a single line for each host with the following  informa‐

	      internet_address	 official_host_name   aliases

       The  internet_address  can  be an IPv4 or IPv6 address specified in the
       conventional Internet dot notation.  See inet(3N) or inet6(3N) for more
       information on Internet address manipulation routines.

       aliases	are other names by which a host is known.  They can substitute
       for the official_host_name in most commands.  For example:

       In this example, users can use remote login on by using the command:

       instead of

       If your system is in a domain naming environment, an official host name
       consists of the full domain extended host name.	For example:

       (space  or tab character).  Items are separated by any number or combi‐
       nation of space or tab characters (blanks).  A character indicates  the
       beginning of a comment.	Characters from the to the end of the line are
       not interpreted by routines that search the file.  Trailing blanks  are
       allowed at the end of a line.

       For  the Internet, this file is normally created from the official host
       database maintained at the Network Information  Control	Center	(NIC),
       although	 local	changes	 may  be  required to bring it up to date with
       respect to unofficial aliases and/or unknown hosts.

       Host names can contain any  printable  character	 other	than  a	 white
       space, newline, or comment character.


       was developed by the University of California, Berkeley.

       gethostent(3N), inet(3N), nsswitch.conf(4).


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