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+.\"	$NetBSD: env.1,v 1.12 2007/06/08 18:20:42 wiz Exp $
+.\"
+.\" Copyright (c) 1980, 1990 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the Institute of Electrical and Electronics Engineers, Inc.
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"	from: @(#)printenv.1	6.7 (Berkeley) 7/28/91
+.\"	$NetBSD: env.1,v 1.12 2007/06/08 18:20:42 wiz Exp $
+.\"
+.Dd June 8, 2007
+.Dt ENV 1
+.Os
+.Sh NAME
+.Nm env
+.Nd set and print environment
+.Sh SYNOPSIS
+.Nm
+.Op Fl i
+.Op Ar name=value ...
+.Oo
+.Ar utility
+.Op argument ...
+.Oc
+.Sh DESCRIPTION
+.Nm
+executes
+.Ar utility
+after modifying the environment as
+specified on the command line.
+The option
+.Ar name=value
+specifies
+an environmental variable,
+.Ar name  ,
+with a value of
+.Ar value  .
+The option
+.Sq Fl i
+causes
+.Nm
+to completely ignore the environment
+it inherits.
+.Pp
+If no
+.Ar utility
+is specified,
+.Nm
+prints out the names and values
+of the variables in the environment, with one
+.Ar name=value
+pair per line.
+.Sh EXIT STATUS
+.Nm
+exits with one of the following values:
+.Bl -tag -width Ds
+.It 0
+.Ar utility
+was invoked and completed successfully.
+In this case the exit code is returned by the utility itself, not
+.Nm .
+If no utility was specified, then
+.Nm
+completed successfully and returned the exit code itself.
+.It 1
+An invalid command line option was passed to
+.Nm .
+.It 1\-125
+.Ar utility
+was invoked, but failed in some way;
+see its manual page for more information.
+In this case the exit code is returned by the utility itself, not
+.Nm .
+.It 126
+.Ar utility
+was found, but could not be invoked.
+.It 127
+.Ar utility
+could not be found.
+.El
+.Sh COMPATIBILITY
+The historic
+.Fl
+option has been deprecated but is still supported in this implementation.
+.Sh SEE ALSO
+.Xr execvp 3 ,
+.Xr environ 7
+.Sh STANDARDS
+The
+.Nm
+utility conforms to
+.St -p1003.2-92 .
+.Sh BUGS
+.Nm
+doesn't handle commands with equal
+.Pq Dq =
+signs in their
+names, for obvious reasons.