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    The following form allows you to view linux man pages.

    Command:

    hosts

    
    
    

    SYNOPSIS

           /etc/hosts
    
    
    

    DESCRIPTION

           This  manual  page  describes  the format of the /etc/hosts file.  This
           file is a simple text file that associates IP addresses with hostnames,
           one line per IP address.  For each host a single line should be present
           with the following information:
    
                  IP_address canonical_hostname [aliases...]
    
           Fields of the entry are separated by any number of  blanks  and/or  tab
           characters.   Text  from a "#" character until the end of the line is a
           comment, and is ignored.  Host  names  may  contain  only  alphanumeric
           characters, minus signs ("-"), and periods (".").  They must begin with
           an  alphabetic  character  and  end  with  an  alphanumeric  character.
           Optional aliases provide for name changes, alternate spellings, shorter
           hostnames, or generic hostnames (for example, localhost).
    
           The Berkeley Internet Name Domain (BIND) Server implements the Internet
           name  server  for UNIX systems.  It augments or replaces the /etc/hosts
           file or hostname lookup, and frees a host from  relying  on  /etc/hosts
           being up to date and complete.
    
           In  modern  systems,  even though the host table has been superseded by
           DNS, it is still widely used for:
    
           bootstrapping
                  Most systems have a small host table  containing  the  name  and
                  address  information  for  important hosts on the local network.
                  This is useful when DNS is not running, for example during  sys-
                  tem bootup.
    
           NIS    Sites  that  use NIS use the host table as input to the NIS host
                  database.  Even though NIS can be used with DNS, most NIS  sites
                  still  use the host table with an entry for all local hosts as a
                  backup.
    
           isolated nodes
                  Very small sites that are isolated from the network use the host
                  table  instead of DNS.  If the local information rarely changes,
                  and the network is not connected to  the  Internet,  DNS  offers
                  little advantage.
    
    
    

    FILES

           /etc/hosts
    
    
    

    NOTES

           Modifications  to this file normally take effect immediately, except in
           cases where the file is cached by applications.
    
       Historical notes
           192.168.1.10    foo.mydomain.org       foo
           192.168.1.13    bar.mydomain.org       bar
           146.82.138.7    master.debian.org      master
           209.237.226.90  www.opensource.org
    
    
    

    SEE ALSO

           hostname(1), resolver(3), resolver(5), hostname(7), named(8)
    
           Internet RFC 952
    
    
    

    Linux 2002-06-16 HOSTS(5)

    
    
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