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freebsd/bin/kenv/kenv.1
2002-05-29 18:52:02 +00:00

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.\" Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" $FreeBSD$
.\"
.Dd July 8, 2000
.Dt KENV 1
.Os
.Sh NAME
.Nm kenv
.Nd dump or modify the kernel environment
.Sh SYNOPSIS
.Nm
.Op Fl h
.Nm
.Ar variable Ns Op = Ns Ar value
.Nm
.Fl u
.Ar variable
.Sh DESCRIPTION
The
.Nm
utility will dump the kernel environment if
invoked without arguments.
If the
.Fl h
option is specified, it will limit the report to kernel probe hints.
If an optional
.Ar variable
name is specified,
.Nm
will only report that value.
If the
.Fl u
option is specified,
.Nm
will delete the given environment variable.
If the environment variable is followed by an optional
.Ar value ,
.Nm
will set the environment variable to this value.
.Sh SEE ALSO
.Xr kenv 2 ,
.Xr loader 8
.Sh HISTORY
The
.Nm
utility appeared in
.Fx 4.1.1 .