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8c3efc36e8
MFC r270653: Update man-pages to correctly refer to changed pathes and namin MFC r270657: More man pages that need to know about vt in addition to syscon MFC r270659: (by pluknet@) Missed comma. MFC r270660: Back-out the references to vt(4) from this man-page. It appears MFC r270933: Add references to vt(4) to further man-pages. MFC r270934: Final patches to the tools used to convert syscons keymaps for MFC r270935: Add vt(4) support to the console initialisation script, specifi Second batch of MFCs to add support for Unicode keymaps for use with vt(4). It contains the following changes: - Add references to vt(4) to relevant man-pages. - Update comment in defaults/rc.conf to mention vt - Update rc.d/syscons to warn about syscons keymaps used under vt. An attempt is made to identify the vt keymap to load instead. - Minor changes to the conversion tool based on mail comments on keymaps. Relnotes: yes
117 lines
3.4 KiB
Groff
117 lines
3.4 KiB
Groff
.\"
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.\" Copyright (c) 2001 Jonathan Lemon <jlemon@FreeBSD.org>
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.\" All rights reserved.
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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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 April 14, 2011
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.Dt CONSCONTROL 8
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.Os
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.Sh NAME
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.Nm conscontrol
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.Nd control physical console devices
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.Sh SYNOPSIS
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.Nm
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.Op Cm list
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.Nm
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.Cm mute on | off
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.Nm
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.Cm add | delete
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.Ar console
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.Nm
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.Cm set | unset Ar console
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.Sh DESCRIPTION
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The
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.Nm
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utility is used to examine and modify the physical devices which back
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the virtual console devices.
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If no arguments
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(or only the
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.Cm list
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command)
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are specified,
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the current console settings are shown.
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.Pp
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There are two types of logical consoles; a high level console which
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is represented by
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.Pa /dev/console ,
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and a low level console.
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The low level console is used for kernel
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.Xr printf 9
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and
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.Xr ddb 4
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debugger support,
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while the high level console is used by user programs like
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.Xr syslogd 8 .
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Multiple device support is implemented only for the low level console;
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the high level console is set to the first device in the console list.
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.Pp
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Multiple console support may be invoked by passing the kernel the
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.Fl D
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flag from the boot loader, or by using
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.Nm
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to change the list of console devices after the system has booted.
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.Pp
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The following options are available:
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.Bl -tag -width indent
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.It Cm add | delete Ar console
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Add or delete a physical device from the logical console.
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The device must support low-level console operations.
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Adding a device will place it at the front of the list of console
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devices; the first device is used for the high level console.
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.Pp
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The
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.Ar console
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argument
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is the name of a console device in
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.Pa /dev ;
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the name of the directory may be omitted.
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.It Cm mute on | off
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Change the state of console muting.
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All console output is suppressed when console muting is
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.Cm on .
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.It Cm set | unset Ar console
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Set or unset the virtual console.
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When unset, output from the system, such as the kernel
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.Xr printf 9 ,
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always goes out to the real main console.
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When set, it goes to another.
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This is an interface to the tty ioctl
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.Dv TIOCCONS .
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.El
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.Sh SEE ALSO
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.Xr sio 4 ,
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.Xr syscons 4 ,
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.Xr tty 4 ,
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.Xr vt 4 ,
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.Xr boot 8 ,
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.Xr loader 8
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 5.0 .
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.Sh AUTHORS
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.An Jonathan Lemon
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