source: BOOK/boot/common/creatingdirs.xml@ a8fffb2

clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since a8fffb2 was b8bd862, checked in by Chris Staub <chris@…>, 11 years ago

Remove documentation symlinks

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File size: 2.7 KB
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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-boot-creatingdirs">
9 <?dbhtml filename="creatingdirs.html"?>
10
11 <title>Creating Directories</title>
12
13 <para os="a">It is time to create some structure in the CLFS file system. Create a
14 standard directory tree by issuing the following commands:</para>
15
16<screen os="b"><userinput>mkdir -pv ${CLFS}/{bin,boot,dev,{etc/,}opt,home,lib,mnt}
17mkdir -pv ${CLFS}/{proc,media/{floppy,cdrom},run/{,shm},sbin,srv,sys}
18mkdir -pv ${CLFS}/var/{lock,log,mail,spool}
19mkdir -pv ${CLFS}/var/{opt,cache,lib/{misc,locate},local}
20install -dv -m 0750 ${CLFS}/root
21install -dv -m 1777 ${CLFS}{/var,}/tmp
22mkdir -pv ${CLFS}/usr/{,local/}{bin,include,lib,sbin,src}
23mkdir -pv ${CLFS}/usr/{,local/}share/{doc,info,locale,man}
24mkdir -pv ${CLFS}/usr/{,local/}share/{misc,terminfo,zoneinfo}
25mkdir -pv ${CLFS}/usr/{,local/}share/man/man{1,2,3,4,5,6,7,8}</userinput></screen>
26
27 <para os="c">Directories are, by default, created with permission mode 755,
28 but this is not desirable for all directories. In the commands above,
29 two changes are made&mdash;one to the home directory of user
30 <systemitem class="username">root</systemitem>, and another to the
31 directories for temporary files.</para>
32
33 <para os="d">The first mode change ensures that not just anybody can enter
34 the <filename class="directory">/root</filename> directory&mdash;the
35 same as a normal user would do with his or her home directory. The
36 second mode change makes sure that any user can write to the
37 <filename class="directory">/tmp</filename> and
38 <filename class="directory">/var/tmp</filename> directories, but
39 cannot remove another user's files from them. The latter is prohibited
40 by the so-called <quote>sticky bit,</quote> the highest bit (1) in the
41 1777 bit mask.</para>
42
43 <sect2 os="e">
44 <title>FHS Compliance Note</title>
45
46 <para>The directory tree is based on the Filesystem Hierarchy Standard
47 (FHS) (available at <ulink url="http://www.pathname.com/fhs/"/>). In
48 addition to the tree created above, this standard stipulates the
49 existence of <filename class="directory">/usr/local/games</filename>
50 and <filename class="directory">/usr/share/games</filename>. The FHS
51 is not precise as to the structure of the <filename
52 class="directory">/usr/local/share</filename> subdirectory, so we
53 create only the directories that are needed. However, feel free to
54 create these directories if you prefer to conform more strictly to
55 the FHS.</para>
56
57 </sect2>
58
59</sect1>
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