1997-10-03 04:05:02 +00:00
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.\" Copyright (c) 1990, 1993, 1994
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the Institute of Electrical and Electronics Engineers, Inc.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)sleep.1 8.3 (Berkeley) 4/18/94
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1998-01-27 16:02:54 +00:00
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.\" $Id: sleep.1,v 1.3 1998/01/27 16:02:15 gdr-ftp Exp $
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1997-10-03 04:05:02 +00:00
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.\"
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1998-01-27 16:02:54 +00:00
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.TH SLEEP 1 "September 1997" GNO "Commands and Applications"
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1997-10-03 04:05:02 +00:00
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.SH NAME
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.BR sleep
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\- suspend execution for an interval of time
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.SH SYNOPSIS
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.BR sleep
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.BR seconds
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.SH DESCRIPTION
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The
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.BR sleep
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command
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suspends execution for a minimum of
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.BR seconds .
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.BR sleep
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is used to schedule the execution of other commands (see
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.B EXAMPLES
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below).
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.LP
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If the
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.BR sleep
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command
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receives a SIGALRM signal, it terminates normally with a zero exit status,
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for any other signal it takes the standard action.
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.LP
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The
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.BR sleep
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utility exits with one of the following values:
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1997-10-30 02:34:54 +00:00
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.IP \fB0\fR
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1997-10-03 04:05:02 +00:00
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On successful completion, or if the signal
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.BR SIGALRM
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was received.
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1997-10-30 02:34:54 +00:00
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.IP \fB\&>\&0\fR
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1997-10-03 04:05:02 +00:00
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An error occurred.
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.SH EXAMPLES
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To schedule the execution of a command for
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some
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number of seconds later:
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.LP
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.B "sleep 1800; command_file"
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.LP
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This incantation would wait a half hour before
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running the script command_file. (See the
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.BR at (1)
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utility.)
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.SH VERSION
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This manual page documents
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.BR sleep
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version 2.0.
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.SH ATTRIBUTIONS
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This command was ported from FreeBSD source code
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for distribution with GNO/ME 2.0.6.
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.SH SEE ALSO
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.BR at (1),
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.BR setitimer (2),
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.BR alarm (3),
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.BR sleep (3)
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.SH STANDARDS
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The
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.BR sleep
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command is expected to be
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POSIX.2
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compatible.
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