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.\" %sccs.include.redist.roff% 7.\" 8.\" @(#)printenv.1 8.1 (Berkeley) 06/06/93 9.\" 10.Dd 11.Dt PRINTENV 1 12.Os BSD 3 13.Sh NAME 14.Nm printenv , env 15.Nd print out the environment, set and print environment 16.Sh SYNOPSIS 17.Nm printenv 18.Op Ar name 19.Nm env 20.Op Fl 21.Op Ar name=value ... 22.Op Ar command 23.Sh DESCRIPTION 24.Nm Printenv 25prints out the names and values of the variables in the environment, 26with one name/value pair per line. If 27.Ar name 28is specified, only 29its value is printed. 30.Pp 31If a 32.Ar name 33is specified and it is not defined in the environment, 34.Nm printenv 35returns exit status 1, else it returns status 0. 36.Pp 37.Nm Env 38executes 39.Ar command 40after modifying the environment as 41specified on the command line. The option 42.Ar name=value 43specifies 44an environmental variable, 45.Ar name , 46with a value of 47.Ar value . 48The option 49.Sq Fl 50causes 51.Nm env 52to completely ignore the environment 53it inherits. 54.Pp 55If no command is specified, 56.Nm env 57prints out the names and values 58of the variables in the environment, with one name/value pair per line. 59.Sh SEE ALSO 60.Xr csh 1 , 61.Xr sh 1 , 62.Xr execvp 3 , 63.Xr environ 7 64.Sh HISTORY 65The 66.Nm printenv 67command appeared in 68.Bx 3.0 . 69.Sh BUGS 70.Nm Env 71doesn't handle commands with equal (``='') signs in their 72names, for obvious reasons. 73