diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man8/Makefile | 4 | ||||
| -rw-r--r-- | share/man/man8/update.8 | 72 |
2 files changed, 74 insertions, 2 deletions
diff --git a/share/man/man8/Makefile b/share/man/man8/Makefile index 32cd2146d74..46d9febc758 100644 --- a/share/man/man8/Makefile +++ b/share/man/man8/Makefile @@ -1,9 +1,9 @@ -# $OpenBSD: Makefile,v 1.3 1996/04/22 01:28:14 deraadt Exp $ +# $OpenBSD: Makefile,v 1.4 1996/06/11 03:25:11 tholo Exp $ # $NetBSD: Makefile,v 1.13 1996/03/28 21:36:40 mark Exp $ # @(#)Makefile 8.1 (Berkeley) 6/5/93 MAN= adduser.8 compat_linux.8 compat_sunos.8 diskless.8 intro.8 rc.8 \ - sticky.8 yp.8 + sticky.8 update.8 yp.8 SUBDIR= man8.amiga man8.arm32 man8.atari man8.hp300 man8.i386 man8.mac68k \ man8.sparc man8.sun3 man8.tahoe man8.vax diff --git a/share/man/man8/update.8 b/share/man/man8/update.8 new file mode 100644 index 00000000000..7c77595fb14 --- /dev/null +++ b/share/man/man8/update.8 @@ -0,0 +1,72 @@ +.\" +.\" Copyright (c) 1996 SigmaSoft, Th. Lockert +.\" All rights reserved. +.\" +.\" 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 SigmaSoft, Th. Lockert. +.\" 4. The name of the author may not be used to endorse or promote products +.\" derived from this software without specific prior written permission +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. +.\" +.\" $OpenBSD: update.8,v 1.1 1996/06/11 03:25:12 tholo Exp $ +.\" +.Dd June 8, 1996 +.Dt UPDATE 8 +.Os +.Sh NAME +.Nm update +.Nd flush internal filesystem caches to disk frequently +.Sh SYNOPSIS +.Nm update +.Sh DESCRIPTION +The +.Nm update +command no longer exists, but has been incorporated into +the kernel where it will flush dirty buffers that has not +been touched for thirty seconds or more. +.Pp +The same effect can be seen by using the +.Xr sync 8 +command, although the in-kernel +.Nm update +process will do this in a staggered manner. +.Sh SEE ALSO +.Xr sync 2 , +.Xr fsck 8 , +.Xr init 8 , +.Xr sync 8 +.Sh BUGS +It is possible on some systems, that a +.Xr sync +occuring simultaneously with a crash may cause +file system damage. See +.Xr fsck 8 . +.Sh HISTORY +An +.Nm update +command appeared in +.At v6 . +.Pp +The +.Nm update +command was incorporated into the kernel in +.Ox 1.2 . |