78 lines
2.2 KiB
Groff
78 lines
2.2 KiB
Groff
.\"-
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.\" Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 13, 2005
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.Dt KENV 1
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.Os
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.Sh NAME
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.Nm kenv
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.Nd dump or modify the kernel environment
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.Sh SYNOPSIS
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.Nm
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.Op Fl hq
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.Nm
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.Op Fl q
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.Ar variable Ns Op = Ns Ar value
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.Nm
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.Op Fl q
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.Fl u
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.Ar variable
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.Sh DESCRIPTION
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The
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.Nm
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utility will dump the kernel environment if
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invoked without arguments.
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If the
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.Fl h
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option is specified, it will limit the report to kernel probe hints.
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If an optional
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.Ar variable
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name is specified,
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.Nm
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will only report that value.
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If the
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.Fl u
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option is specified,
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.Nm
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will delete the given environment variable.
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If the environment variable is followed by an optional
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.Ar value ,
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.Nm
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will set the environment variable to this value.
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.Pp
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If the
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.Fl q
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option is set, warnings normally printed as a result of being unable to
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perform the requested operation will be suppressed.
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.Sh SEE ALSO
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.Xr kenv 2 ,
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.Xr loader 8
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.Sh HISTORY
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The
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.Nm
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utility appeared in
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.Fx 4.1.1 .
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