47ed71183f
Grammar and Spelling Reviewed by: mpp While mpp kindly checked grammar and spelling, any technical errors remaining in the man pages are entirely of mine.
287 lines
6.5 KiB
Groff
287 lines
6.5 KiB
Groff
.\" t
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.\"
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.\" vidcontrol - a utility for manipulating the syscons video driver
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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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.\" @(#)vidcontrol.1
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.\" $Id: vidcontrol.1,v 1.16 1999/06/03 12:44:16 yokota Exp $
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.\"
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.Dd June 30, 1999
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.Dt VIDCONTROL 1
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.Os
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.Sh NAME
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.Nm vidcontrol
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.Nd a utility for manipulating the syscons console driver.
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.Sh SYNOPSIS
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.Nm
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.Op Fl b Ar color
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.Op Fl c Ar appearance
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.Op Fl d
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.Op Fl f Ar size Ar file
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.Op Fl i Cm adapter | mode
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.Op Fl l Ar screen_map
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.Op Fl L
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.Op Fl m Cm on | off
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.Op Fl r Ar foreground Ar background
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.Op Fl s Ar number
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.Op Fl t Ar N | Cm off
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.Op Fl x
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.Op Ar mode
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.Op Ar foreground Op Ar background
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.Op Cm show
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.Sh DESCRIPTION
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The
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.Nm
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command is used to set various options for the
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.Xr syscons 4
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console driver,
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such as video mode, colors, cursor shape, screen output map, font and screen
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saver timeout.
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.Pp
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The following command line options are supported:
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.Bl -tag -width indent
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.It Ar mode
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Select a new video mode. The modes currently recognized are:
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.Ar 40x25 ,
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.Ar 80x25 ,
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.Ar 80x30 ,
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.Ar 80x43 ,
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.Ar 80x50 ,
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.Ar 80x60 ,
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.Ar 132x25 ,
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.Ar 132x30 ,
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.Ar 132x43 ,
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.Ar 132x50 ,
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.Ar 132x60 ,
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.Ar VGA_40x25 ,
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.Ar VGA_80x25 ,
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.Ar VGA_80x30 ,
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.Ar VGA_80x50 ,
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.Ar VGA_80x60 ,
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.Ar EGA_80x25 ,
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.Ar EGA_80x43 ,
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.Ar VESA_132x25 ,
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.Ar VESA_132x30 ,
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.Ar VESA_132x43 ,
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.Ar VESA_132x50 ,
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.Ar VESA_132x60 .
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.\"The graphic mode
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.\".Ar VGA_320x200
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.\"and
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The raster text mode
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.Ar VESA_800x600
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can also be chosen.
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See
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.Sx Video Mode Support
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below.
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.It Ar foreground Op Ar background
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Change colors when displaying text. Specify the foreground color
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(e.g. ``vidcontrol white''), or both a foreground and background colors
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(e.g. ``vidcontrol yellow blue'').
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Use the
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.Cm show
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command below to see available colors.
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.It Cm show
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See the supported colors on a given platform.
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.It Fl r Ar foreground background
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Change reverse mode colors to
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.Ar foreground
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and
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.Ar background .
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.It Fl b Ar color
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Set border color to
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.Ar color .
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This option may not be always supported by the video driver.
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.It Fl c Cm normal | blink | destructive
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Change the cursor appearance. The cursor is either an inverting block
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.Pq Cm normal
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that eventually can
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.Cm blink .
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Or it can be like the old hardware cursor
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.Pq Cm destructive .
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The latter is actually a simulation.
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.It Fl d
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Print out current output screen map.
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.It Fl l Ar screen_map
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Install screen output map file from
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.Ar screen_map
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See also
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.Xr syscons 4 .
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.It Fl L
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Install default screen output map.
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.It Fl i Cm adapter
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Shows info about the current video adapter.
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.It Fl i Cm mode
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Shows the possible video modes with the current video hardware.
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.It Fl m Cm on | off
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Switch the mouse pointer
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.Cm on
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or
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.Cm off .
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Used together with the
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.Xr moused 8
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daemon for text mode cut & paste functionality.
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.It Fl f Ar size Ar file
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Load font
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.Ar file
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for
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.Ar size
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(currently, only
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.Cm 8x8 ,
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.Cm 8x14
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or
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.Cm 8x16
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).
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The font file can be either uuencoded or in raw binary format.
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You can also use the menu-driven
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.Xr vidfont 1
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command to load the font of your choice.
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.Pp
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Note that older video cards, such as MDA and CGA, do not support
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software font.
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See also
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.Sx Video Mode Support
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and
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.Sx EXAMPLE
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below and the man page for
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.Xr syscons 4 .
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.It Fl s Ar number
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Set the current vty to
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.Ar number .
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.It Fl t Ar N | Cm off
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Set the screensaver timeout to
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.Ar N
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seconds, or turns it
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.Cm off .
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.It Fl x
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Use hexadecimal digits for output.
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.El
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.Ss Video Mode Support
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Note that not all modes listed above may be supported by the video
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hardware.
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You can verify which mode is supported by the video hardware, using the
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.Fl i Cm mode
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option.
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.Pp
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The VESA BIOS support must be linked to the kernel
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or loaded as a KLD module if you wish to use VESA video modes
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or 132 column modes
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.Pq see Xr vga 4 .
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.Pp
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Video modes other than 25 and 30 line modes may require specific size of font.
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Use
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.Fl f
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option above to load a font file to the kernel.
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If the required size of font has not been loaded to the kernel,
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.Nm
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will fail if the user attempts to set a new video mode.
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.Pp
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.TS
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c s
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c c
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l c.
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Video modes and font size
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Modes Font size
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25 line modes 8x16 (VGA), 8x14 (EGA)
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30 line modes 8x16
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43 line modes 8x8
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50 line modes 8x8
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60 line modes 8x8
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.TE
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.Pp
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It is better to always load all three sizes (8x8, 8x14 and 8x16)
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of the same font.
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.Pp
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You may set variables in
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.Pa /etc/rc.conf
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or
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.Pa /etc/rc.conf.local
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so that desired font files will be automatically loaded
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when the system starts up.
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See below.
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.Sh VIDEO OUTPUT CONFIGURATION
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.Ss Boot Time Configuration
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You may set the following variables in
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.Pa /etc/rc.conf
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or
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.Pa /etc/rc.conf.local
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in order to configure the video output at boot time.
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.Pp
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.Bl -tag -width foo_bar_var -compact
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.It Ar blanktime
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Sets the timeout value for the
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.Fl t
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option.
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.It Ar font8x16, font8x14, font8x8
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Specifies font files for the
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.Fl f
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option.
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.It Ar scrnmap
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Specifies a screen output map file for the
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.Fl l
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option.
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.El
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.Pp
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See
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.Xr rc.conf 5
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for more details.
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.Ss Driver Configuration
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The video card driver may let you change default configuration
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options, such as the default font, so that you do not need to set up
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the options at boot time.
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See video card driver manuals,
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.Pq e.g. Xr vga 4
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for details.
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.Sh FILES
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.Bl -tag -width /usr/share/syscons/scrnmaps/foo-bar -compact
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.It Pa /usr/share/syscons/fonts/*
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font files.
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.It Pa /usr/share/syscons/scrnmaps/*
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screen output map files.
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.El
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.Sh EXAMPLE
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If you want to load
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.Pa /usr/share/syscons/fonts/iso-8x16.fnt
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to the kernel, run
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.Nm
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as:
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.Pp
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.Dl vidcontrol -f 8x16 /usr/share/syscons/fonts/iso-8x16.fnt
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.Pp
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So long as the font file is in
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.Pa /usr/share/syscons/fonts ,
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you may abbreviate the file name as
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.Pa iso-8x16 :
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.Pp
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.Dl vidcontrol -f 8x16 iso-8x16
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.Pp
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Likewise, you can also abbreviate the screen output map file name for
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the
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.Fl l
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option if the file is found in
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.Pa /usr/share/syscons/scrnmaps .
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.Pp
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.Dl vidcontrol -l iso-8859-1_to_cp437
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.Pp
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The above command will load
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.Pa /usr/share/syscons/scrnmaps/iso-8859-1_to_cp437.scm .
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.Sh SEE ALSO
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.Xr kbdcontrol 1 ,
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.Xr keyboard 4 ,
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.Xr screen 4 ,
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.Xr syscons 4 ,
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.Xr vidfont 1 ,
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.Xr vga 4 ,
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.Xr rc.conf 5 ,
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.Xr moused 8
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.Sh AUTHORS
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.An S<EFBFBD>ren Schmidt Aq sos@FreeBSD.org
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