consvar man page on Tru64

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consvar(8)							    consvar(8)

NAME
       consvar - Manipulate system firmware console environment variables

SYNOPSIS
       /sbin/consvar [-v] [-nc] -g  -s	-l  -a	-d  [variable] [value]

OPTIONS
       Verbose	mode.  Prints out the system IDs used by firmware, the current
       firmware revision, and information about the process.  Get the value of
       the specified console environment variable.  Set the value of the spec‐
       ified console environment variable.  List the values of	all  variables
       supported  by  this platform that are not disabled.  This is similar to
       the show SRM console command.  Save the values of all environment vari‐
       ables  to  non-volatile	storage. Setting a variable with the -s option
       only updates the in-memory copy of console environment variables.   The
       save  process could take a long time on some platforms, so it is recom‐
       mended that the variables are saved after all set operations have  been
       performed.  List the system and exception database information.	Do not
       perform value conversion.  Variables that  contain  device  information
       have  an underlying console bootstring format.  If this option is used,
       consvar does not	 convert  between  the	Tru64  UNIX  names  for	 these
       devices,	 but  accepts  and displays the raw values.  The same goes for
       integer values which are converted between strings and hexadecimal val‐
       ues.

DESCRIPTION
       Use the consvar command to get, set, list, and save console environment
       variables available on SRM system firmware.  Some firmware versions  on
       some  platforms do not comply with the Alpha SRM when dealing with cer‐
       tain variables, or operations.  To ensure UNIX functionality with  such
       firmware,  an  exception database is consulted and these operations are
       disabled. By default, consvar accepts and displays device  values  with
       Tru64  UNIX  device  names, or their device special file names. The raw
       console bootstrings can be used by providing the -nc option. For infor‐
       mation regarding the console environment variables, please refer to the
       Alpha System Reference Manual.

RETURN VALUES
       Success.	 Failure.

EXAMPLES
       To show the values of all available console variables, enter: % consvar
       -l  To  get  the	 value of the booted_dev variable, enter: % consvar -g
       booted_dev

	      A message similar to the following will be displayed: booted_dev
	      =	 disk0	To set the value of boot_dev, enter the device name of
	      the required boot device: % consvar -s boot_dev disk0

	      To save the values of the variables across system resets, enter:
	      %	 consvar  -a  If an operation fails, you can find out if it is
	      disabled by using the -v option.	For example,  to  see  if  the
	      bootdef_dev  variable  is disabled, enter: % consvar -v -g boot‐
	      def_dev The exception database can be printed out along with the
	      status  of  the  current	platform's console variable support by
	      entering: % consvar -v -d

FILES
       Specifies the command path.  Exception database.

SEE ALSO
       Functions: getsysinfo(2), setsysinfo(2)

								    consvar(8)
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