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 DIAGNOSTICS 63.Ex -std printenv 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