1.\" Copyright (c) 1980, 1990 The Regents of the University of California. 2.\" 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 6.7 (Berkeley) 7/28/91 35.\" 36.Dd July 14, 1993 37.Dt ENV 1 38.Os 39.Sh NAME 40.Nm env 41.Nd set and print environment 42.Sh SYNOPSIS 43.Nm env 44.Op Fl i 45.Op Ar name=value ... 46.Oo 47.Ar command 48.Op argument ... 49.Oc 50.Sh DESCRIPTION 51.Nm env 52executes 53.Ar command 54after modifying the environment as 55specified on the command line. The option 56.Ar name=value 57specifies 58an environmental variable, 59.Ar name , 60with a value of 61.Ar value . 62The option 63.Sq Fl i 64causes 65.Nm env 66to completely ignore the environment 67it inherits. 68.Pp 69If no 70.Ar command 71is specified, 72.Nm env 73prints out the names and values 74of the variables in the environment, with one name/value pair per line. 75.Sh DIAGNOSTICS 76If the 77.Ar command 78is invoked, the exit status of 79.Nm env 80shall be the exit status of 81.Ar command ; 82otherwise, the 83.Nm env 84command exits with one of the following values: 85.Bl -tag -width Ds 86.It 0 87The 88.Nm env 89command completed successfully 90.It 1-125 91An error occured. 92.It 126 93The 94.Ar command 95was found, but could not be invoked. 96.It 127 97The 98.Ar command 99could not be found. 100.El 101.Sh SEE ALSO 102.Xr execvp 3 , 103.Xr environ 7 104.Sh STANDARDS 105The 106.Nm env 107command is expected to be 108.St -p1003.2 109compliant. 110.Sh BUGS 111.Nm env 112doesn't handle commands with equal (``='') signs in their 113names, for obvious reasons. 114