.\"     $NetBSD: userconf.4,v 1.12.56.1 2019/09/02 16:39:20 martin Exp $
.\"
.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Gregory McGarry.
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.Dd July 1, 2001
.Dt USERCONF 4
.Os
.Sh NAME
.Nm userconf
.Nd in-kernel device configuration manager
.Sh SYNOPSIS
.Cd options USERCONF
.Sh DESCRIPTION
.Nm
is the in-kernel device configuration manager.
It is used to alter the kernel autoconfiguration framework at runtime.
.Nm
is activated from the boot loader by passing the
.Fl c
option to the kernel.
.Sh COMMAND SYNTAX
The general command syntax is:
.Bd -ragged -offset indent
.Ic command Op Ar option
.Ed
.Pp
.Nm
has a
.Xr more 1 Ns -like
functionality; if a number of lines in a command's output exceeds the
number defined in the lines variable, then
.Nm
displays
.Dq "-- more --"
and waits for a response, which may be one of:
.Bl -tag -offset indent -width "<return>"
.It <return>
one more line.
.It <space>
one more page.
.It Ic q
abort the current command, and return to the command input mode.
.El
.Sh COMMANDS
.Nm
supports the following commands:
.Bl -tag -width 5n
.It Ic lines Ar count
Specify the number of lines before more.
.It Ic base Ar 8 | 10 | 16
Base for displaying large numbers.
.It Ic change Ar devno | dev
Change devices.
.It Ic disable Ar devno | dev
Disable devices.
.It Ic enable Ar devno | dev
Enable devices.
.It Ic exit
A synonym for
.Ic quit .
.It Ic find Ar devno | dev
Find devices.
.It Ic help
Display online help.
.It Ic list
List current configuration.
.It Ic quit
Leave userconf.
.It Ic \&?
A synonym for
.Ic help .
.El
.Sh HISTORY
The
.Nm
framework first appeared in
.Ox 2.0 ,
and was then integrated into
.Nx 1.6 .
.Sh AUTHORS
The
.Nm
framework was written by
.An Mats O Jansson
.Aq moj@stacken.kth.se .