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authorMatthew Burgess <matthew@linuxfromscratch.org>2004-05-03 10:59:46 +0000
committerMatthew Burgess <matthew@linuxfromscratch.org>2004-05-03 10:59:46 +0000
commit673b0d84ba9591e07c0bdf0ee49d92eba10f502c (patch)
tree129e27a1450727b440da4378e0117a468eb9c25e /chapter06/creatingdirs.xml
parent287ea55da70ceb1f0990554b7db921d525fef816 (diff)
* Merged newxml into HEAD
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@3435 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
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+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
+ <!ENTITY % general-entities SYSTEM "../general.ent">
+ %general-entities;
+]>
+<sect1 id="ch-system-creatingdirs">
+<title>Creating directories</title>
+<?dbhtml filename="creatingdirs.html"?>
+
+<para>Let's now create some structure in our LFS file system. Let's create
+a directory tree. Issuing the following commands will create a more or less
+standard tree:</para>
+
+<screen><userinput>mkdir -p /{bin,boot,dev/{pts,shm},etc/opt,home,lib,mnt,proc}
+mkdir -p /{root,sbin,srv,tmp,usr/local,var,opt}
+mkdir -p /media/{floppy,cdrom}
+mkdir /usr/{bin,include,lib,sbin,share,src}
+ln -s share/{man,doc,info} /usr
+mkdir /usr/share/{doc,info,locale,man}
+mkdir /usr/share/{misc,terminfo,zoneinfo}
+mkdir /usr/share/man/man{1,2,3,4,5,6,7,8}
+mkdir /usr/local/{bin,etc,include,lib,sbin,share,src}
+ln -s share/{man,doc,info} /usr/local
+mkdir /usr/local/share/{doc,info,locale,man}
+mkdir /usr/local/share/{misc,terminfo,zoneinfo}
+mkdir /usr/local/share/man/man{1,2,3,4,5,6,7,8}
+mkdir /var/{lock,log,mail,run,spool}
+mkdir -p /var/{tmp,opt,cache,lib/misc,local}
+mkdir /opt/{bin,doc,include,info}
+mkdir -p /opt/{lib,man/man{1,2,3,4,5,6,7,8}}</userinput></screen>
+
+<para>Directories are, by default, created with permission mode 755, but this
+isn't desirable for all directories. We will make two changes: one to the home
+directory of <emphasis>root</emphasis>, and another to the directories for
+temporary files.</para>
+
+<screen><userinput>chmod 0750 /root
+chmod 1777 /tmp /var/tmp</userinput></screen>
+
+<para>The first mode change ensures that not just anybody can enter the
+<filename class="directory">/root</filename> directory -- the same
+as a normal user would do with his or her home directory.
+The second mode change makes sure that any user can write to the
+<filename class="directory">/tmp</filename> and
+<filename class="directory">/var/tmp</filename> directories, but
+cannot remove other users' files from them. The latter is prohibited
+by the so-called <quote>sticky bit</quote> -- the highest bit in the 1777 bit
+mask.</para>
+
+<sect2>
+<title>FHS compliance note</title>
+
+<para>We have based our directory tree on the FHS standard (available at
+<ulink url="http://www.pathname.com/fhs/"/>). Besides the above created
+tree this standard stipulates the existence of
+<filename class="directory">/usr/local/games</filename> and
+<filename class="directory">/usr/share/games</filename>, but we don't
+much like these for a base system. However, feel free to make your system
+FHS-compliant. As to the structure of the
+<filename class="directory">/usr/local/share</filename> subdirectory, the FHS
+isn't precise, so we created here the directories that we think are needed.</para>
+
+</sect2>
+
+</sect1>