bootpref views and sets the NVRAM boot preferences.
The program options are:
-V
verbose output (when setting preferences)
-b netbsd
set the boot OS to NetBSD
-b tos
set the boot OS to TOS
-b linux
set the boot OS to Linux
-b systemv
set the boot OS to System V
-b none
set the boot OS to none
-d delay
set the boot delay to delay seconds, where delay is a value between 0 and 255
-l english
set the language to English
-l german
set the language to German
-l french
set the language to French
-l spanish
set the language to Spanish
-l italian
set the language to Italian
-k american
set the keyboard layout to American
-k german
set the keyboard layout to German
-k french
set the keyboard layout to French
-k british
set the keyboard layout to British
-k spanish
set the keyboard layout to Spanish
-k italian
set the keyboard layout to Italian
-k swiss french
set the keyboard layout to Swiss (French)
-k swiss german
set the keyboard layout to Swiss (German)
-s id
set the SCSI id to id, where id is a value between 0 and 7
-f yyddmm
set the date format
-1
set the date format to 12 hour clock
-2
set the date format to 24 hour clock
-e sep
set the date format separator to sep
-c colours
set the number of colours - 2, 4, 16, 256 or 65535
-n
set the video mode to NTSC
-p
set the video mode to PAL
-t
set the video mode to TV
-v
set the video mode to VGA
-4
set the video mode to 40 columns
-8
set the video mode to 80 columns
-o
set the video mode to overscan
-O
set the video mode to no overscan
-x
set the video mode to ST compatibility
-X
set the video mode to no ST compatibility
-i
set the video mode to interlace (TV), double line (VGA)
-I
set the video mode to no interlace/double line
All strings can be specified by their shortest abbreviation
If no parameters are specified,
bootpref shows the current boot preferences.