freebsd-skq/libexec/atrun/atrun.8

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.\"
.\" Copyright (c) 1993 Christopher G. Demetriou
.\" 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 Christopher G. Demetriou.
.\" 3. The name of the author may not be used to endorse or promote products
.\" derived from this software withough 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.
.\"
.\" $Id: atrun.8,v 1.1 1994/01/05 01:02:58 nate Exp $
.\"
.Dd December 5, 1993
.Dt ATRUN 8
.Os FreeBSD 1.1
.Sh NAME
.Nm atrun
.Nd run jobs queued for later execution
.\"
.Sh SYOPSIS
.Nm atrun
.Sh DESCRIPTION
The
.Nm atrun
utility runs commands queued by
.Xr at 1 .
It is usually invoked by
.Xr crond 8
every ten minutes.
.Sh FILES
.Bl -tag -width /var/at/lockfile -compact
.It Pa /var/at/jobs
Directory containing job files
.It Pa /var/at/spool
Directory containing output spool files
.It Pa /var/at/lockfile
Job-creation lock file.
.El
.Sh SEE ALSO
.Xr crond 8 ,
.Xr at 1
.Sh AUTHOR
.Bl -tag
Thomas Koenig, ig25@rz.uni-karlsruhe.de
.El
.Sh BUGS
The functionality of
.Nm atrun
should arguaby be merged into
.Xr crond 8 .
.Sh CAVEATS
Since the default configuration causes
.Nm atrun
to be invoked every ten minutes,
commands queued by
.Xr at 1
may end up being executed up to nine minutes
later than would be otherwise expected.