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KENV(1) 		     General Commands Manual			 KENV(1)

NAME
     kenv -- dump or modify the kernel environment

SYNOPSIS
     kenv [-hNq]
     kenv [-qv] variable[=value]
     kenv [-q] -u variable

DESCRIPTION
     The  kenv utility will dump the kernel environment if invoked without argu-
     ments.  If the -h option is specified, it will limit the report  to  kernel
     probe hints.  If an optional variable name is specified, kenv will only re-
     port  that  value.   If  the -N option is specified, kenv will only display
     variable names and not their values.  If the -u option is	specified,  kenv
     will delete the given environment variable.  If the environment variable is
     followed  by  an  optional value, kenv will set the environment variable to
     this value.

     If the -q option is set, warnings normally printed as a result of being un-
     able to perform the requested operation will be suppressed.

     If the -v option is set, the variable name will be printed out for the  en-
     vironment	variable  in  addition to the value when kenv is executed with a
     variable name.

     Variables	can   be   added   to	the   kernel   environment   using   the
     /boot/loader.conf	file,  or also statically compiled into the kernel using
     the statement

	   env filename

     in the kernel config file.  The file can contain lines of the form

	   name = value # this is a comment

     where whitespace around name and '=', and everything after a '#' character,
     are ignored.  Almost any printable character except '='  is  acceptable  as
     part  of  a name.	Quotes are optional and necessary only if the value con-
     tains whitespace.

SEE ALSO
     kenv(2), config(5), loader.conf(5), loader(8)

HISTORY
     The kenv utility appeared in FreeBSD 4.1.1.

FreeBSD 9.1			  May 11, 2012				 KENV(1)

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