BSD 4_4_Lite1 release

[unix-history] / usr / src / share / man / man5 / hosts.5

diff --git a/usr/src/share/man/man5/hosts.5 b/usr/src/share/man/man5/hosts.5
index c7cd915..81a9587 100644 (file)
--- a/usr/src/share/man/man5/hosts.5
+++ b/usr/src/share/man/man5/hosts.5
@@ -1,58 +1,109 @@
-.\" Copyright (c) 1983 Regents of the University of California.
-.\" All rights reserved.  The Berkeley software License Agreement
-.\" specifies the terms and conditions for redistribution.
+.\" Copyright (c) 1983, 1991, 1993
+.\"    The Regents of the University of California.  All rights reserved.

 .\"
 .\"

-.\"    @(#)hosts.5     6.2 (Berkeley) %G%
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"    This product includes software developed by the University of
+.\"    California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.

 .\"
 .\"

-.TH HOSTS 5  ""
-.UC 5
-.SH NAME
-hosts \- host name data base
-.SH DESCRIPTION
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)hosts.5    8.2 (Berkeley) 12/11/93
+.\"
+.Dd December 11, 1993
+.Dt HOSTS 5
+.Os BSD 4.2
+.Sh NAME
+.Nm hosts
+.Nd host name data base
+.Sh DESCRIPTION

 The
 The

-.I hosts
+.Nm hosts

 file contains information regarding
 file contains information regarding

-the known hosts on the DARPA Internet.
+the known hosts on the network.

 For each host a single line should be present
 with the following information:
 For each host a single line should be present
 with the following information:

-.HP 10
+.Bd -unfilled -offset indent

 official host name
 official host name

-.br
-.ns
-.HP 10

 Internet address
 Internet address

-.br
-.ns
-.HP 10

 aliases
 aliases

-.PP
+.Ed
+.Pp

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

-This file is normally created from the official host
+.Pp
+When using the name server
+.Xr 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 
+.Xr ifconfig 8
+needs at boot time and a few machines on the local network.
+.Pp
+This file may be created from the official host

 data base maintained at the Network Information Control
 data base maintained at the Network Information Control

-Center (NIC), though local changes may be required
+Center
+.Pq Tn NIC , 
+though local changes may be required

 to bring it up to date regarding unofficial aliases
 to bring it up to date regarding unofficial aliases

-and/or unknown hosts.
-.PP
+and/or unknown hosts.  As the data base maintained at
+.Tn NIC
+is incomplete, use of the name server is recommended for
+sites on the
+.Tn DARPA
+Internet.
+.Pp

 Network addresses are specified in the conventional
 Network addresses are specified in the conventional

-``.'' notation using the \fIinet_addr\fP() routine
+``.'' (dot) notation using the
+.Xr inet_addr 3
+routine

 from the Internet address manipulation library,
 from the Internet address manipulation library,

-.IR inet (3N).
+.Xr inet 3 .

 Host names may contain any printable
 character other than a field delimiter, newline,
 or comment character.
 Host names may contain any printable
 character other than a field delimiter, newline,
 or comment character.

-.PP
-When using the name server this file is used as a backup for when 
-.IR named (8)
-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 
-.IR ifconfig (8C)
-needs at boot time and a few machines on the local network.
-.SH FILES
-/etc/hosts
-.SH "SEE ALSO"
-gethostent(3N), ifconfig(8C), named(8), Name Server Operations Guide for BIND
+.Sh FILES
+.Bl -tag -width /etc/hosts -compact
+.It Pa /etc/hosts
+The
+.Nm hosts
+file resides in
+.Pa /etc .
+.El
+.Sh SEE ALSO
+.Xr gethostbyname 3 ,
+.Xr ifconfig 8 ,
+.Xr named 8
+.Rs
+.%T "Name Server Operations Guide for BIND"
+.Re
+.Sh HISTORY
+The
+.Nm
+file format appeared in
+.Bx 4.2 .