1 .\" Copyright (c) 1999 Daniel C. Sobral
2 .\" All rights reserved.
4 .\" Redistribution and use in source and binary forms, with or without
5 .\" modification, are permitted provided that the following conditions
7 .\" 1. Redistributions of source code must retain the above copyright
8 .\" notice, this list of conditions and the following disclaimer.
9 .\" 2. Redistributions in binary form must reproduce the above copyright
10 .\" notice, this list of conditions and the following disclaimer in the
11 .\" documentation and/or other materials provided with the distribution.
13 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 .\" $FreeBSD: src/sys/boot/forth/loader.4th.8,v 1.5.2.6 2002/07/07 14:32:16 schweikh Exp $
26 .\" $DragonFly: src/sys/boot/forth/loader.4th.8,v 1.2 2003/06/17 04:28:18 dillon Exp $
33 .Nd loader.conf processing tools
35 The file that goes by the name of
37 is a set of commands designed to manipulate
43 and uses one of its commands to automatically read and process
46 files. Other commands exists to help the user specify alternate
51 by themselves are not enough for most uses. Please refer to the
52 examples below for the most common situations, and to
54 for additional commands.
56 Before using any of the commands provided in
61 .Dl include loader.4th
63 This line is present in the default
65 file, so it isn't needed (and should not be re-issued) in a normal setup.
67 The commands provided by it are:
68 .Bl -tag -width disable-module_module -offset indent
70 Boot as specified by the
79 .Pa /boot/defaults/loader.conf ,
82 files specified in it, and then proceeds to boot as specified in them. This
83 is the command used in the default
89 so it can be stopped for further interaction with
93 Initialize the supporting library so commands can be used without
99 .Pa /boot/defaults/loader.conf
102 files specified in it. Returns a flag on the stack to indicate
103 if any configuration file was successfully loaded.
105 .It Ic read-conf Ar filename
106 Reads and processes a
108 file. Does not proceed to boot.
110 .It Ic enable-module Ar module
111 Enables the loading of
114 .It Ic disable-module Ar module
115 Disables the loading of
118 .It Ic toggle-module Ar module
119 Toggles the loading of
123 .It Ic show-module Ar module
124 Shows the information gathered in the
126 files about the module
132 files to specify the action after a module loading fails.
137 files to specify the action after a module loading fails.
140 .Bl -tag -width /boot/loader.4th -compact
144 .It Pa /boot/loader.4th
147 .It Pa /boot/loader.rc
149 bootstrapping script.
150 .It Pa /boot/defaults/loader.conf
157 .Pa /boot/loader.rc :
159 .Bd -literal -offset indent -compact
160 include /boot/loader.4th
164 Load a different kernel with the standard configuration:
166 .Bd -literal -offset indent -compact
167 set kernel="kernel.old"
172 Read an additional configuration file and then proceed to boot:
174 .Bd -literal -offset indent -compact
176 read-conf /boot/special.conf
180 Disable the loading of the splash screen module and bitmap and then
183 .Bd -literal -offset indent -compact
185 disable-module splash_bmp
186 disable-module bitmap
199 .An Daniel C. Sobral Aq dcs@FreeBSD.org .
201 A British espionage series.