source: chapter04/aboutlfs.xml@ afcfd74

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Last change on this file since afcfd74 was afcfd74, checked in by Pierre Labastie <pieere@…>, 22 months ago

Remove unused files and make
idref's more regular

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11746 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-preps-aboutlfs">
9 <?dbhtml filename="aboutlfs.html"?>
10
11 <title>About $LFS</title>
12
13 <para>Throughout this book, the environment variable <envar>LFS</envar> will
14 be used. It is paramount that this variable is always defined.
15 It should be set to the mount point chosen for the LFS partition.
16 Check that the <envar>LFS</envar> variable is set up properly with:</para>
17
18<screen role="nodump"><userinput>echo $LFS</userinput></screen>
19
20 <para>Make sure the output shows the path to the LFS partition's mount
21 point, which is <filename class="directory">/mnt/lfs</filename> if the
22 provided example was followed. If the output is incorrect, the
23 variable can be set with:</para>
24
25<screen role="nodump"><userinput>export LFS=/mnt/lfs</userinput></screen>
26
27 <para>Having this variable set is beneficial in that commands such as
28 <command>mkdir $LFS/tools</command> can be typed literally. The shell
29 will automatically replace <quote>$LFS</quote> with
30 <quote>/mnt/lfs</quote> (or whatever the variable was set to) when it
31 processes the command line.</para>
32
33 <para>Do not forget to check that <envar>$LFS</envar> is set whenever
34 you leave and reenter the current working environment (as when doing a
35 <command>su</command> to <systemitem class="username">root</systemitem>
36 or another user).</para>
37
38</sect1>
39
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