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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@3662 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
315 lines
11 KiB
XML
315 lines
11 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="ch-system-e2fsprogs" xreflabel="E2fsprogs" role="wrap">
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<title>E2fsprogs-&e2fsprogs-version;</title>
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<?dbhtml filename="e2fsprogs.html"?>
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<indexterm zone="ch-system-e2fsprogs"><primary sortas="a-E2fsprogs">E2fsprogs</primary></indexterm>
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<sect2 role="package"><title/>
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<para>The E2fsprogs package contains the utilities for handling the ext2
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file system. It also supports the ext3 journaling file system.</para>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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<segtitle>&diskspace;</segtitle>
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<seglistitem><seg>0.6 SBU</seg><seg>48.4 MB</seg></seglistitem>
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</segmentedlist>
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<segmentedlist>
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<segtitle>E2fsprogs installation depends on</segtitle>
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<seglistitem><seg>Bash, Binutils, Coreutils,
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Diffutils, Gawk, GCC, Gettext, Glibc, Grep, Make, Sed, Texinfo</seg></seglistitem>
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</segmentedlist>
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</sect2>
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<sect2 role="installation">
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<title>Installation of E2fsprogs</title>
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<para>Prepare E2fsprogs for compilation:</para>
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<screen><userinput>./configure --prefix=/usr --with-root-prefix="" \
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--enable-elf-shlibs --disable-evms</userinput></screen>
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<para>The meaning of the configure options:</para>
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<variablelist>
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<varlistentry>
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<term><userinput>--with-root-prefix=""</userinput></term>
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<listitem><para>Certain
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programs (such as the e2fsck program) are considered essential programs.
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When, for example, <filename class="directory">/usr</filename> isn't
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mounted, these essential programs have to be available. They belong in
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directories like <filename class="directory">/lib</filename> and
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<filename class="directory">/sbin</filename>. If this option isn't passed
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to E2fsprogs's configure, the programs are placed in the
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<filename class="directory">/usr</filename> directory, which is not what we
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want.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><userinput>--enable-elf-shlibs</userinput></term>
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<listitem><para>This creates
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the shared libraries which some programs in this package use.</para></listitem>
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</varlistentry>
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</variablelist>
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<para>Compile the package:</para>
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<screen><userinput>make</userinput></screen>
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<para>To test the results, issue:
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<userinput>make check</userinput>.</para>
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<para>Install most of the package:</para>
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<screen><userinput>make install</userinput></screen>
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<para>Also install the shared libraries:</para>
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<screen><userinput>make install-libs</userinput></screen>
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</sect2>
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<sect2 id="contents-e2fsprogs" role="content"><title>Contents of E2fsprogs</title>
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<segmentedlist>
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<segtitle>Installed programs</segtitle>
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<segtitle>Installed libraries</segtitle>
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<seglistitem><seg>badblocks, blkid, chattr,
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compile_et, debugfs, dumpe2fs, e2fsck, e2image, e2label, findfs, fsck,
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fsck.ext2, fsck.ext3, logsave, lsattr, mk_cmds, mke2fs, mkfs.ext2, mkfs.ext3,
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mklost+found, resize2fs, tune2fs and uuidgen.</seg>
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<seg>libblkid.[a,so], libcom_err.[a,so], libe2p.[a,so], libext2fs.[a,so], libss.[a,so] and
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libuuid.[a,so]</seg></seglistitem>
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</segmentedlist>
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<variablelist><title>Short descriptions</title>
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<varlistentry>
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<term id="badblocks"><command>badblocks</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs badblocks"><primary sortas="b-badblocks">badblocks</primary></indexterm>
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<para>searches a device (usually a disk partition) for bad blocks.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="blkid"><command>blkid</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs blkid"><primary sortas="b-blkid">blkid</primary></indexterm>
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<para>is a command line utility to locate and print block device attributes.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="chattr"><command>chattr</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs chattr"><primary sortas="b-chattr">chattr</primary></indexterm>
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<para>changes the attributes of files on a second extended (ext2) file system, and
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also ext3 file systems, the journaling version of ext2 file systems.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="compile_et"><command>compile_et</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs compile_et"><primary sortas="b-compile_et">compile_et</primary></indexterm>
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<para>is an error table compiler. It
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converts a table of error-code names and messages into a C source file
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suitable for use with the com_err library.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="debugfs"><command>debugfs</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs debugfs"><primary sortas="b-debugfs">debugfs</primary></indexterm>
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<para>is a file system debugger. It can be
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used to examine and change the state of an ext2 file system.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="dumpe2fs"><command>dumpe2fs</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs dumpe2fs"><primary sortas="b-dumpe2fs">dumpe2fs</primary></indexterm>
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<para>prints the super block and blocks group
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information for the file system present on a given device.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="e2fsck"><command>e2fsck</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs e2fsck"><primary sortas="b-e2fsck">e2fsck</primary></indexterm>
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<para>is used to check, and optionally repair,
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second extended (ext2) file systems, and also ext3 file systems.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="e2image"><command>e2image</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs e2image"><primary sortas="b-e2image">e2image</primary></indexterm>
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<para>is used to save critical ext2 file system data to a file.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="e2label"><command>e2label</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs e2label"><primary sortas="b-e2label">e2label</primary></indexterm>
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<para>will display or change the file system
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label on the ext2 file system present on a given device.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="findfs"><command>findfs</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs findfs"><primary sortas="b-findfs">findfs</primary></indexterm>
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<para>finds a file system by label or UUID (Universally Unique Identifier).</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="fsck"><command>fsck</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs fsck"><primary sortas="b-fsck">fsck</primary></indexterm>
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<para>is used to check, and optionally repair, file systems. By default it checks the
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file systems listed in <filename>/etc/fstab</filename></para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="logsave"><command>logsave</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs logsave"><primary sortas="b-logsave">logsave</primary></indexterm>
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<para>saves the output of a command in a log file.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="lsattr"><command>lsattr</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs lsattr"><primary sortas="b-lsattr">lsattr</primary></indexterm>
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<para>lists the attributes of files on a second extended file system.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="mk_cmds"><command>mk_cmds</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs mk_cmds"><primary sortas="b-mk_cmds">mk_cmds</primary></indexterm>
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<para>converts a table of command names
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and help messages into a C source file suitable for use with the
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<filename>libss</filename> subsystem library.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="mke2fs"><command>mke2fs</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs mke2fs"><primary sortas="b-mke2fs">mke2fs</primary></indexterm>
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<para>is used to create a second extended file system on the given device.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="mklost-found"><command>mklost+found</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs mklost-found"><primary sortas="b-mklost+found">mklost+found</primary></indexterm>
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<para>is used to create a
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<filename>lost+found</filename> directory on a second extended file system.
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It pre-allocates disk blocks to this directory to lighten the task of e2fsck.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="resize2fs"><command>resize2fs</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs resize2fs"><primary sortas="b-resize2fs">resize2fs</primary></indexterm>
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<para>can be used to enlarge or shrink an ext2 file system.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="tune2fs"><command>tune2fs</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs tune2fs"><primary sortas="b-tune2fs">tune2fs</primary></indexterm>
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<para>is used adjust tunable file system
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parameters on a second extended file system.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="uuidgen"><command>uuidgen</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs uuidgen"><primary sortas="b-uuidgen">uuidgen</primary></indexterm>
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<para>creates new UUID. Each new UUID can reasonably be considered unique
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among all UUIDs created, on the local system and on other systems, in the
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past and in the future.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="libblkid"><command>libblkid</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs libblkid"><primary sortas="c-libblkid">libblkid</primary></indexterm>
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<para>contains routines for device identification and token extraction.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="libcom_err"><command>libcom_err</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs libcom_err"><primary sortas="c-libcom_err">libcom_err</primary></indexterm>
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<para>is the common error display routine.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="libe2p"><command>libe2p</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs libe2p"><primary sortas="c-libe2p">libe2p</primary></indexterm>
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<para>is used by dumpe2fs, chattr, and lsattr.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="libext2fs"><command>libext2fs</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs libext2fs"><primary sortas="c-libext2fs">libext2fs</primary></indexterm>
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<para>contains routines to enable user-level
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programs to manipulate an ext2 file system.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="libss"><command>libss</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs libss"><primary sortas="c-libss">libss</primary></indexterm>
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<para>is used by debugfs.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="libuuid"><command>libuuid</command></term>
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<listitem>
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<indexterm zone="ch-system-e2fsprogs libuuid"><primary sortas="c-libuuid">libuuid</primary></indexterm>
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<para>contains routines for generating unique
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identifiers for objects that may be accessible beyond the local system.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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