xref: /freebsd/usr.bin/printenv/printenv.1 (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1.\" Copyright (c) 1980, 1990, 1993
2.\"	The Regents of the University of California.  All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the Institute of Electrical and Electronics Engineers, Inc.
6.\" Redistribution and use in source and binary forms, with or without
7.\" modification, are permitted provided that the following conditions
8.\" are met:
9.\" 1. Redistributions of source code must retain the above copyright
10.\"    notice, this list of conditions and the following disclaimer.
11.\" 2. Redistributions in binary form must reproduce the above copyright
12.\"    notice, this list of conditions and the following disclaimer in the
13.\"    documentation and/or other materials provided with the distribution.
14.\" 3. All advertising materials mentioning features or use of this software
15.\"    must display the following acknowledgement:
16.\"	This product includes software developed by the University of
17.\"	California, Berkeley and its contributors.
18.\" 4. Neither the name of the University nor the names of its contributors
19.\"    may be used to endorse or promote products derived from this software
20.\"    without specific prior written permission.
21.\"
22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32.\" SUCH DAMAGE.
33.\"
34.\"	@(#)printenv.1	8.1 (Berkeley) 6/6/93
35.\" $FreeBSD$
36.\"
37.Dd May 12, 2003
38.Dt PRINTENV 1
39.Os
40.Sh NAME
41.Nm printenv
42.Nd print out the environment
43.Sh SYNOPSIS
44.Nm
45.Op Ar name
46.Sh DESCRIPTION
47The
48.Nm
49utility prints out the names and values of the variables in the environment,
50with one name/value pair per line.
51If
52.Ar name
53is specified, only
54its value is printed.
55.Pp
56Some shells may provide a builtin
57.Nm
58command which is similar or identical to this utility.
59Consult the
60.Xr builtin 1
61manual page.
62.Sh EXIT STATUS
63.Ex -std
64.Sh SEE ALSO
65.Xr csh 1 ,
66.Xr env 1 ,
67.Xr sh 1 ,
68.Xr environ 7
69.Sh STANDARDS
70The
71.Nm
72utility is provided for compatibility with earlier
73.Bx
74and
75.Fx
76releases and is not specified by any standards.
77The functionality of
78.Nm
79can be duplicated with the
80.Xr echo 1
81and
82.Xr env 1
83utilities.
84.Sh HISTORY
85The
86.Nm
87command appeared in
88.Bx 3.0 .
89