647129e382
Refer to the old names nl, np, ns as historical aliases. PR: 205776, 205778 MFC After: 1 week Sponsored by: The FreeBSD Foundation
336 lines
6.6 KiB
Groff
336 lines
6.6 KiB
Groff
.\" Copyright (c) 2000
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.\" David Malone
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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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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 2, 2016
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.Dt KBDMAP 5
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.Os
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.Sh NAME
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.Nm kbdmap
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.Nd keyboard map file format for kbdcontrol
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.Sh SYNOPSIS
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.Nm
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.Sh DESCRIPTION
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A
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.Nm
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file describes how the keys on a keyboard should behave.
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These files can be loaded
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using
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.Xr kbdcontrol 1 ,
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or
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.Xr kbdmap 1
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can be used to select one of the default
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.Nm
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files interactively.
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A
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.Nm
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file can be specified in
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.Xr rc.conf 5 ,
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to be loaded
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at boot time.
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The current keymap may also be printed using
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.Xr kbdcontrol 1 .
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.Pp
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Each line in the file
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can describe a key or an accent.
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A
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.Ql #
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character begins a comment,
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which extends to the end of the line.
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.Pp
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The description of a key
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begins with the scancode for that key.
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Then the effect of the key
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under combinations of
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shift,
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control
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and alt
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are listed in the following order:
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no modifier,
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shift,
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control,
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control and shift,
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alt,
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alt and shift,
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alt and control,
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alt and control and shift.
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The action of the key
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under each modifier can be:
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.Bl -tag -width Ar
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.It ' Ns Ar symbol Ns No '
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The symbol the key should produce,
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in single quotes.
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.It Ar decnum
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The
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.Tn Unicode
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value to produce
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as a decimal number
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(see
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.Xr ascii 7 ) .
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For example, 32 for space.
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.It 0x Ns Ar hexnum
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The
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.Tn Unicode
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value to produce
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as a hexadecimal number.
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For example, 0x20 for space.
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.It Ar ctrlname
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One of the standard names
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for the
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.Tn ASCII
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control characters:
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nul,
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soh,
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stx,
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etx,
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eot,
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enq,
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ack,
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bel,
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bs,
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ht,
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lf,
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vt,
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ff,
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cr,
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so,
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si,
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dle,
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dc1,
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dc2,
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dc3,
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dc4,
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nak,
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syn,
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etb,
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can,
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em,
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sub,
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esc,
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fs,
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gs,
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rs,
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us,
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sp,
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del.
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.It Ar control-alias
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One of the historical aliases for certain
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.Tn ASCII
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control characters:
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nl,
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np,
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ns.
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.It Ar accentname
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By giving one of the accent names,
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the next key pressed will produce
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an accented character
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in accordance with that accent.
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See the description of accents below.
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The accent names are:
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dgra,
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dacu,
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dcir,
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dtil,
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dmac,
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dbre,
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ddot,
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duml,
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ddia,
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dsla,
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drin,
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dced,
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dapo,
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ddac,
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dogo,
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dcar.
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.It fkey Ns Ar N
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Act as the
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.Ar N Ns No th
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function key,
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where
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.Ar N
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is a decimal number in the range from 1 to 96.
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Refer to the
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.Xr atkbd 4
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manual page for a list of predefined function keys.
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You can use the
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.Fl f
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option of the
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.Xr kbdcontrol 1
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utility to assign arbitrary strings to function keys.
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.It lshift
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Act as left shift key.
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.It rshift
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Act as right shift key.
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.It clock
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Act as caps lock key.
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.It nlock
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Act as num lock key.
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.It slock
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Act as scroll lock key.
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.It lalt|alt
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Act as left alt key.
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.It btab
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Act as backwards tab.
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.It lctrl|ctrl
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Act as left control key.
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.It rctrl
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Act as right control key.
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.It ralt
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Act as right alt (altgr) key.
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.It alock
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Act as alt lock key.
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.It ashift
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Act as alt shift key.
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.It meta
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Act as meta key.
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.It lshifta|shifta
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Act as left shift key / alt lock.
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.It rshifta
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Act as right shift key / alt lock.
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.It lctrla|ctrla
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Act as left ctrl key / alt lock.
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.It rctrla
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Act as right ctrl key / alt lock.
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.It lalta|alta
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Act as left alt key / alt lock.
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.It ralta
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Act as right alt key / alt lock.
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.It nscr
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Act as switch to next screen.
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.It pscr
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Act as switch to previous screen.
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.It scr Ns Ar N
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Switch to screen
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.Ar N ,
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where
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.Ar N
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is a decimal number.
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.It boot
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Reboot the machine.
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.It halt
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Halt the machine.
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.It pdwn
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Halt the machine
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and attempt to power it down.
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.It debug
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Call the debugger.
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.It susp
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Use APM to suspend power.
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.It saver
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Activate screen saver
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by toggling between splash/text screen.
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.It panic
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Panic the system.
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The
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.Xr sysctl 8
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variable
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.Va machdep.enable_panic_key
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must be set to 1 to enable this feature.
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.It paste
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Act as mouse buffer paste.
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.El
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.Pp
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Finally,
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to complete the description of a key,
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a flag which describes
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the effect of caps lock and num lock
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on that key is given.
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The flag can be
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.Ql C
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to indicate that caps lock affects the key,
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.Ql N
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to indicate that num lock affects the key,
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.Ql B
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to indicate that both
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caps lock and num lock affects the key,
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or
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.Ql O
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to indicate that neither affects the key.
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.Pp
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An accent key works
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by modifying the behavior
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of the next key pressed.
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The description of an accent begins
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with one of the accent names
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given above.
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This is followed
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by the symbol for the accent,
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given in single quotes or
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as a decimal or hexadecimal
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.Tn Unicode
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value.
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This symbol will be produced
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if the accent key is pressed and
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then the space key is pressed.
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.Pp
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The description of the accent key
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continues with a list showing
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how it modifies various symbols,
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by giving pairs made up of the normal symbol and
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the modified symbol
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enclosed in parentheses.
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Both symbols in a pair can be given
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in either single quotes or
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as decimal or
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hexadecimal
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.Tn Unicode
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values.
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.Pp
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For example,
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consider the following extract from a
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.Nm :
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.Bd -literal -offset indent
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041 dgra 172 nop nop '|' '|' nop nop O
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dgra '`' ( 'a' 224 ) ( 'A' 192 ) ( 'e' 232 ) ( 'E' 200 )
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( 'i' 236 ) ( 'I' 204 ) ( 'o' 242 ) ( 'O' 210 )
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( 'u' 249 ) ( 'U' 217 )
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.Ed
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This extract
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configures the backtick key on a UK keyboard
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to act as a grave accent key.
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Pressing backtick followed by space
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produces a backtick, and
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pressing a backtick followed by a vowel
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produces the ISO-8859-1 symbol
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for that vowel with a grave accent.
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.Sh FILES
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.Bl -tag -width /usr/share/syscons/keymaps/* -compact
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.It Pa /usr/share/syscons/keymaps/*
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standard keyboard map files for syscons
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.It Pa /usr/share/vt/keymaps/*
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standard keyboard map files for vt
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.El
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.Sh SEE ALSO
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.Xr kbdcontrol 1 ,
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.Xr kbdmap 1 ,
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.Xr keyboard 4 ,
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.Xr syscons 4 ,
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.Xr vt 4 ,
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.Xr ascii 7
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.Sh HISTORY
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This manual page first appeared in
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.Fx 4.2 .
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