Improve markup, change references to nonexistent vt_vga(4), remove some
language redundancy, and move the examples so sections are in the standard order. MFC after: 1 week
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=268187
@ -24,7 +24,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 27, 2014
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.Dd July 2, 2014
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.Dt "VIRTUAL TERMINALS" 4
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.Os
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.Sh NAME
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@ -109,10 +109,10 @@ These kernel options control the
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.Nm
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driver.
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.Bl -tag -width MAXCONS
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.It Dv TERMINAL_NORM_ATTR=_attribute_
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.It Dv TERMINAL_KERN_ATTR=_attribute_
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These options allow to change the default colors used for normal and kernel
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text respectively.
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.It Dv TERMINAL_NORM_ATTR= Ns Pa attribute
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.It Dv TERMINAL_KERN_ATTR= Ns Pa attribute
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These options allow changing the default colors used for normal and kernel
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text.
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Available colors are defined in
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.In sys/terminal.h .
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See
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@ -165,13 +165,13 @@ is set, the system remains in text mode.
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Otherwise,
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.Nm
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switches to 640x480x16 VGA mode using
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.Xr vt_vga 4 .
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.Cm vt_vga .
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If a KMS
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.Pq Kernel Mode Switching
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video driver is available, the display is switched to high resolution
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and the KMS driver takes over.
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When a KMS driver is not available,
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.Xr vt_vga 4
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.Cm vt_vga
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remains active.
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.Sh LOADER TUNABLES
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These settings can be entered at the
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@ -184,27 +184,18 @@ Set to 1 to use virtual terminals in text mode instead of graphics mode.
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Features that require graphics mode, like loadable fonts, will be
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disabled.
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.It Va kern.vty
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Set to vt to choose the
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When both
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.Nm
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driver for the system console, if the
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.Xr syscons 4
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driver is also compiled in and is the default.
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and
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.Xr sc 4 have been compiled into the kernel, the one to use for the
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system console can be selected by setting this value to
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.Ql vt
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or
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.Ql sc .
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If this value is not set,
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.Xr sc 4
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is used.
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.El
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.Sh EXAMPLES
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The following line will change the default color of normal text.
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Normal text will be green on black background.
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Reversed normal text will be black on green background.
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Note that you cannot put any white space inside the quoted string,
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because of the current implementation of
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.Xr config 8 .
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.Pp
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.Dl "options TERMINAL_NORM_ATTR=(FG_GREEN|BG_BLACK)"
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.Pp
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The following line will change the default color of kernel messages.
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Kernel messages will be printed bright red on black background.
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Reversed kernel messages will be black on bright red background.
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.Pp
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.Dl "options TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK)"
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.Sh FILES
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.Bl -tag -width /usr/share/syscons/keymaps/* -compact
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.It Pa /dev/console
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@ -214,6 +205,19 @@ virtual terminals
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.It Pa /etc/ttys
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terminal initialization information
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.El
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.Sh EXAMPLES
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This example changes the default color of normal text to green on a
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black background, or black on a green background when reversed.
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Note that white space cannot be used inside the attribute string
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because of the current implementation of
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.Xr config 8 .
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.Pp
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.Dl "options TERMINAL_NORM_ATTR=(FG_GREEN|BG_BLACK)"
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.Pp
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This line changes the default color of kernel messages to be bright red
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on a black background, or black on a bright red background when reversed.
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.Pp
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.Dl "options TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK)"
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.Sh SEE ALSO
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.Xr kbdcontrol 1 ,
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.Xr login 1 ,
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