diff --git a/sbin/conscontrol/Makefile b/sbin/conscontrol/Makefile index bc80cd8e0565..ddd2434e6cc5 100644 --- a/sbin/conscontrol/Makefile +++ b/sbin/conscontrol/Makefile @@ -2,6 +2,5 @@ PROG= conscontrol MAN= conscontrol.8 -NOMAN=1 .include diff --git a/sbin/conscontrol/conscontrol.8 b/sbin/conscontrol/conscontrol.8 new file mode 100644 index 000000000000..ecd9392a35e5 --- /dev/null +++ b/sbin/conscontrol/conscontrol.8 @@ -0,0 +1,87 @@ +.\" +.\" Copyright (c) 2001 Jonathan Lemon +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd Oct 23, 2001 +.Dt CONSCONTROL 8 +.Os +.Sh NAME +.Nm conscontrol +.Nd control physical console devices +.Sh SYNOPSIS +.Nm +.Op list +.Nm +.Ic mute +.Ar on|off +.Nm +.Ic add|delete +.Ar console +.Sh DESCRIPTION +.Nm Conscontrol +is used to examine and modify the physical devices which back +the virtual console console devices. +If no arguments are specified +(or only the +.Ar list +argument), +the current console settings are shown. +.Pp +There are two types of logical consoles; a high level console which +is represented by /dev/console, and a low level console. +The low level console is used for kernel printfs and debugger support, +while the high level console is used by user programs like syslog. +Multiple device support is implemented only for the low level console, +the high level console is set to the first device in the console list. +.Pp +Multiple console support may be invoked by passing the kernel the +-D +flag from the boot loader, or by using +.Nm +to change the list of console devices after the system has booted. +.Pp +The following options are available: +.Bl -tag -width indent +.It Cm add|delete Ar console +Add or delete a physical device from the logical console. +The device must support low-level console operations. +Adding a device will place it at the front of the list of console +devices; the first device is used for the high level console. +.It Cm mute Ar on|off +Change the state of the console muting. +.El +.Sh SEE ALSO +.Xr boot 8 , +.Xr loader 8 , +.Xr sio 4 , +.Xr syscons 4 +.Sh HISTORY +The +.Nm +command first appeared in +.Fx 4.5 . +.Sh AUTHORS +.An Jonathan Lemon