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. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.Dd May 12, 2003 31.Dt PRINTENV 1 32.Os 33.Sh NAME 34.Nm printenv 35.Nd print out the environment 36.Sh SYNOPSIS 37.Nm 38.Op Ar name 39.Sh DESCRIPTION 40The 41.Nm 42utility prints out the names and values of the variables in the environment, 43with one name/value pair per line. 44If 45.Ar name 46is specified, only 47its value is printed. 48.Pp 49Some shells may provide a builtin 50.Nm 51command which is similar or identical to this utility. 52Consult the 53.Xr builtin 1 54manual page. 55.Sh EXIT STATUS 56.Ex -std 57.Sh SEE ALSO 58.Xr csh 1 , 59.Xr env 1 , 60.Xr sh 1 , 61.Xr environ 7 62.Sh STANDARDS 63The 64.Nm 65utility is provided for compatibility with earlier 66.Bx 67and 68.Fx 69releases and is not specified by any standards. 70The functionality of 71.Nm 72can be duplicated with the 73.Xr echo 1 74and 75.Xr env 1 76utilities. 77.Sh HISTORY 78The 79.Nm 80command appeared in 81.Bx 3.0 . 82