1993-03-21 12:45:37 +03:00
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.\" Copyright (c) 1980, 1990 The Regents of the University of California.
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.\" 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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.\" 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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1993-08-01 11:22:47 +04:00
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.\" from: @(#)printenv.1 6.7 (Berkeley) 7/28/91
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.\" $Id: printenv.1,v 1.3 1993/08/01 07:29:54 mycroft Exp $
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1993-03-21 12:45:37 +03:00
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.\"
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.Dd July 28, 1991
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.Dt PRINTENV 1
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1993-07-15 00:27:02 +04:00
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.Os
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1993-03-21 12:45:37 +03:00
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.Sh NAME
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1993-07-15 00:27:02 +04:00
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.Nm printenv
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.Nd print out the environment
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1993-03-21 12:45:37 +03:00
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.Sh SYNOPSIS
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.Nm printenv
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.Op Ar name
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.Sh DESCRIPTION
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.Nm Printenv
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prints out the names and values of the variables in the environment,
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with one name/value pair per line. If
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.Ar name
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is specified, only
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its value is printed.
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.Pp
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If a
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.Ar name
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is specified and it is not defined in the environment,
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.Nm printenv
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returns exit status 1, else it returns status 0.
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.Sh SEE ALSO
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.Xr csh 1 ,
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.Xr sh 1 ,
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.Xr environ 7
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.Sh HISTORY
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The
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.Nm printenv
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command appeared in
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.Bx 3.0 .
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