BSD 4_4 release

[unix-history] / usr / src / sbin / dmesg / dmesg.8

diff --git a/usr/src/sbin/dmesg/dmesg.8 b/usr/src/sbin/dmesg/dmesg.8
index 28010ed..7dd0acf 100644 (file)
--- a/usr/src/sbin/dmesg/dmesg.8
+++ b/usr/src/sbin/dmesg/dmesg.8
@@ -1,36 +1,63 @@
-.\" Copyright (c) 1980 Regents of the University of California.
-.\" All rights reserved.  The Berkeley software License Agreement
-.\" specifies the terms and conditions for redistribution.
+.\" Copyright (c) 1980, 1991, 1993
+.\"    The Regents of the University of California.  All rights reserved.

 .\"
 .\"

-.\"    @(#)dmesg.8     6.3 (Berkeley) 6/24/90
+.\" 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 DMESG 8 "June 24, 1990"
-.UC 4
-.SH NAME
-dmesg \- collect system diagnostic messages to form error log
-.SH SYNOPSIS
-.B dmesg
-[ \- ]
-.SH DESCRIPTION
-.B N.B.:
-.I Dmesg
-is obsoleted by
-.IR syslogd (8)
-for maintenance of the system error log.
-.PP
-.I Dmesg
-looks in a system buffer for recently printed diagnostic messages
-and prints them on the standard output.
-The messages are those printed or logged
-by the system when errors occur.
-If the
-.B \-
-flag is given, then
-.I dmesg
-computes (incrementally) the new messages since the last time it
-was run and places these on the standard output.
-.SH FILES
-.ta 2i
-/var/log/msgbuf        scratch file for memory of \- option
-.SH SEE ALSO
-syslogd(8)
+.\" 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.
+.\"
+.\"     @(#)dmesg.8    8.1 (Berkeley) 6/5/93
+.\"
+.Dd June 5, 1993
+.Dt DMESG 8
+.Os BSD 4
+.Sh NAME
+.Nm dmesg
+.Nd "display the system message buffer"
+.Sh SYNOPSIS
+.Nm dmesg
+.Op Fl M Ar core
+.Op Fl N Ar system
+.Sh DESCRIPTION
+.Nm Dmesg
+displays the contents of the system message buffer.
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Fl M
+Extract values associated with the name list from the specified core
+instead of the default ``/dev/kmem''.
+.It Fl N
+Extract the name list from the specified system instead of the default
+``/vmunix''.
+.El
+.Sh SEE ALSO
+.Xr syslogd 8
+.Sh HISTORY
+The
+.Nm
+command appeared in
+.Bx 4.0 .