hosts(5) [ultrix man page]

hosts(5)							File Formats Manual							  hosts(5)

Name
       hosts - host name file

Description
       The  file  is  an  ASCII file that contains information about the known hosts on the DARPA Internet.  For each host a single line should be
       present with the following information:

       Internet address
       Official host name
       Aliases

       Each name is separated from the next by a new line.  Items are separated by any number of blanks or tab	characters.   A  number  sign  (#)
       indicates the beginning of a comment; characters up to the end of the line are not interpreted by routines that search the file.  This file
       is normally created from the official host data base maintained at the Network Information Control Center (NIC), though local  changes  may
       be required to bring it up to date regarding unofficial aliases or unknown hosts.

       Host  addresses	are  specified	in  the  conventional  dot (.) notation using the inet_addr routine from the Internet address manipulation
       library, Host names can contain any printable character other than a field delimiter, newline, or comment character.

       The database may be distributed in a network by a naming service, such as Yellow Pages or BIND/Hesiod.  See the Guide to the  Yellow  Pages
       Service or the Guide to the BIND/Hesiod Service for setup information.

Files
See Also
       gethostent(3n)
       Guide to the BIND/Hesiod Service
       Guide to the Yellow Pages Service

																	  hosts(5)

hosts(4)						     Kernel Interfaces Manual							  hosts(4)

NAME

       hosts - The host name data base

SYNOPSIS

       /etc/hosts

DESCRIPTION

       The  hosts file contains information regarding the known hosts on the network.  For each host a single line should be present with the fol-
       lowing information:
	IP_address canonical_hostname aliases

       Items are separated by any number of blanks and/or tab characters.  The # (number sign) indicates the beginning of a comment; characters up
       to the end of the line are not interpreted by routines which search the file.

       When using the name server named(8), this file provides a backup when the name server is not running.  For the name server, it is suggested
       that only a few addresses be included in this file.  These include  address for the local interfaces that ifconfig(8) needs  at	boot  time
       and a few machines on the local network.

       This  file may be created from the official host data base maintained at the Network Information Control Center (NIC), though local changes
       may be required to bring it up to date regarding unofficial aliases and/or unknown hosts.  As the data base maintained  at  NIC	is  incom-
       plete, use of the name server is recommend for sites on the DARPA Internet.

       Network	addresses  are	specified  in  the  conventional  .  notation using the inet_addr() routine from the Internet address manipulation
       library, inet_addr(3).  Host names may contain any printable character other than a field delimiter, newline, or comment character.

RELATED INFORMATION

       Commands: ifconfig(8), named(8)

       Functions: gethostbyname(3) delim off

																	  hosts(4)