mirror of
https://git.linuxfromscratch.org/lfs.git
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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7646 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
471 lines
17 KiB
XML
471 lines
17 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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"http://www.oasis-open.org/docbook/xml/4.4/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" role="wrap">
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<?dbhtml filename="e2fsprogs.html"?>
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<title>E2fsprogs-&e2fsprogs-version;</title>
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<indexterm zone="ch-system-e2fsprogs">
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<primary sortas="a-E2fsprogs">E2fsprogs</primary>
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</indexterm>
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<sect2 role="package">
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<title/>
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<para>The E2fsprogs package contains the utilities for handling the
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<systemitem class="filesystem">ext2</systemitem> file system. It also
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supports the <systemitem class="filesystem">ext3</systemitem> journaling
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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>
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<seg>&e2fsprogs-ch6-sbu;</seg>
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<seg>&e2fsprogs-ch6-du;</seg>
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</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>It is recommended that E2fsprogs be built in a subdirectory of
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the source tree: </para>
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<screen><userinput>mkdir -v build
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cd build</userinput></screen>
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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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<variablelist>
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<title>The meaning of the configure options:</title>
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<varlistentry>
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<term><parameter>--with-root-prefix=""</parameter></term>
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<listitem>
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<para>Certain programs (such as the <command>e2fsck</command>
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program) are considered essential programs. When, for example,
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<filename class="directory">/usr</filename> is not mounted, these
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programs still need to be available. They belong in directories
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like <filename class="directory">/lib</filename> and <filename
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class="directory">/sbin</filename>. If this option is not passed
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to E2fsprogs' configure, the programs are installed into the
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<filename class="directory">/usr</filename> directory.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>--enable-elf-shlibs</parameter></term>
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<listitem>
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<para>This creates the shared libraries which some programs
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in this package use.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>--disable-evms</parameter></term>
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<listitem>
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<para>This disables the building of the Enterprise Volume
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Management System (EVMS) plugin. This plugin is not up-to-date with
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the latest EVMS internal interfaces and EVMS is not installed as part
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of a base LFS system, so the plugin is not required. See the EVMS
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website at <ulink url="http://evms.sourceforge.net/"/> for more
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information regarding EVMS.</para>
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</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 the binaries and documentation:</para>
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<screen><userinput>make install</userinput></screen>
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<para>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">
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<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>
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<seg>badblocks, blkid, chattr, compile_et, debugfs, dumpe2fs, e2fsck,
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e2image, e2label, filefrag, findfs, fsck, fsck.ext2, fsck.ext3, logsave, lsattr,
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mk_cmds, mke2fs, mkfs.ext2, mkfs.ext3, mklost+found, resize2fs,
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tune2fs, and uuidgen.</seg>
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<seg>libblkid.{a,so}, libcom_err.{a,so}, libe2p.{a,so},
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libext2fs.{a,so}, libss.{a,so}, and libuuid.{a,so}</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="badblocks">
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<term><command>badblocks</command></term>
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<listitem>
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<para>Searches a device (usually a disk partition) for bad
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blocks</para>
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<indexterm zone="ch-system-e2fsprogs badblocks">
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<primary sortas="b-badblocks">badblocks</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="blkid">
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<term><command>blkid</command></term>
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<listitem>
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<para>A command line utility to locate and print block device
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attributes</para>
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<indexterm zone="ch-system-e2fsprogs blkid">
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<primary sortas="b-blkid">blkid</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="chattr">
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<term><command>chattr</command></term>
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<listitem>
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<para>Changes the attributes of files on an <systemitem
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class="filesystem">ext2</systemitem> file system; it also
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changes <systemitem class="filesystem">ext3</systemitem>
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file systems, the journaling version of <systemitem
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class="filesystem">ext2</systemitem> file systems</para>
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<indexterm zone="ch-system-e2fsprogs chattr">
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<primary sortas="b-chattr">chattr</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="compile_et">
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<term><command>compile_et</command></term>
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<listitem>
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<para>An error table compiler; it converts a table of error-code
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names and messages into a C source file suitable for use with the
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<filename class="libraryfile">com_err</filename> library</para>
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<indexterm zone="ch-system-e2fsprogs compile_et">
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<primary sortas="b-compile_et">compile_et</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="debugfs">
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<term><command>debugfs</command></term>
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<listitem>
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<para>A file system debugger; it can be used to examine and change
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the state of an <systemitem class="filesystem">ext2</systemitem>
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file system</para>
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<indexterm zone="ch-system-e2fsprogs debugfs">
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<primary sortas="b-debugfs">debugfs</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="dumpe2fs">
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<term><command>dumpe2fs</command></term>
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<listitem>
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<para>Prints the super block and blocks group information for the
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file system present on a given device</para>
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<indexterm zone="ch-system-e2fsprogs dumpe2fs">
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<primary sortas="b-dumpe2fs">dumpe2fs</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="e2fsck">
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<term><command>e2fsck</command></term>
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<listitem>
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<para>Is used to check, and optionally repair <systemitem
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class="filesystem">ext2</systemitem> file systems and <systemitem
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class="filesystem">ext3</systemitem> file systems</para>
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<indexterm zone="ch-system-e2fsprogs e2fsck">
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<primary sortas="b-e2fsck">e2fsck</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="e2image">
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<term><command>e2image</command></term>
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<listitem>
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<para>Is used to save critical <systemitem
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class="filesystem">ext2</systemitem> file system data to a file</para>
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<indexterm zone="ch-system-e2fsprogs e2image">
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<primary sortas="b-e2image">e2image</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="e2label">
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<term><command>e2label</command></term>
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<listitem>
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<para>Displays or changes the file system label on the <systemitem
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class="filesystem">ext2</systemitem> file system present on a given
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device</para>
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<indexterm zone="ch-system-e2fsprogs e2label">
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<primary sortas="b-e2label">e2label</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="filefrag">
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<term><command>filefrag</command></term>
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<listitem>
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<para>Reports on how badly fragmented a particular file might be</para>
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<indexterm zone="ch-system-e2fsprogs filefrag">
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<primary sortas="b-filefrag">filefrag</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="findfs">
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<term><command>findfs</command></term>
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<listitem>
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<para>Finds a file system by label or Universally Unique Identifier
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(UUID)</para>
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<indexterm zone="ch-system-e2fsprogs findfs">
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<primary sortas="b-findfs">findfs</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="fsck">
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<term><command>fsck</command></term>
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<listitem>
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<para>Is used to check, and optionally repair, file systems</para>
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<indexterm zone="ch-system-e2fsprogs fsck">
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<primary sortas="b-fsck">fsck</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="fsck.ext2">
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<term><command>fsck.ext2</command></term>
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<listitem>
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<para>By default checks <systemitem class="filesystem">ext2</systemitem>
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file systems</para>
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<indexterm zone="ch-system-e2fsprogs fsck.ext2">
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<primary sortas="b-fsck.ext2">fsck.ext2</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="fsck.ext3">
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<term><command>fsck.ext3</command></term>
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<listitem>
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<para>By default checks <systemitem class="filesystem">ext3</systemitem>
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file systems</para>
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<indexterm zone="ch-system-e2fsprogs fsck.ext3">
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<primary sortas="b-fsck.ext3">fsck.ext3</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="logsave">
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<term><command>logsave</command></term>
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<listitem>
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<para>Saves the output of a command in a log file</para>
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<indexterm zone="ch-system-e2fsprogs logsave">
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<primary sortas="b-logsave">logsave</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="lsattr">
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<term><command>lsattr</command></term>
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<listitem>
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<para>Lists the attributes of files on a second extended file
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system</para>
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<indexterm zone="ch-system-e2fsprogs lsattr">
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<primary sortas="b-lsattr">lsattr</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="mk_cmds">
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<term><command>mk_cmds</command></term>
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<listitem>
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<para>Converts a table of command names and help messages into a C
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source file suitable for use with the <filename
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class="libraryfile">libss</filename> subsystem library</para>
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<indexterm zone="ch-system-e2fsprogs mk_cmds">
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<primary sortas="b-mk_cmds">mk_cmds</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="mke2fs">
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<term><command>mke2fs</command></term>
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<listitem>
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<para>Creates an <systemitem class="filesystem">ext2</systemitem>
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or <systemitem class="filesystem">ext3</systemitem> file system on
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the given device</para>
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<indexterm zone="ch-system-e2fsprogs mke2fs">
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<primary sortas="b-mke2fs">mke2fs</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="mkfs.ext2">
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<term><command>mkfs.ext2</command></term>
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<listitem>
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<para>By default creates <systemitem class="filesystem">ext2</systemitem>
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file systems</para>
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<indexterm zone="ch-system-e2fsprogs mkfs.ext2">
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<primary sortas="b-mkfs.ext2">mkfs.ext2</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="mkfs.ext3">
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<term><command>mkfs.ext3</command></term>
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<listitem>
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<para>By default creates <systemitem class="filesystem">ext3</systemitem>
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file systems</para>
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<indexterm zone="ch-system-e2fsprogs mkfs.ext3">
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<primary sortas="b-mkfs.ext3">mkfs.ext3</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="mklost-found">
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<term><command>mklost+found</command></term>
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<listitem>
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<para>Used to create a <filename class="directory">lost+found</filename>
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directory on an <systemitem class="filesystem">ext2</systemitem> file
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system; it pre-allocates disk blocks to this directory to lighten the
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task of <command>e2fsck</command></para>
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<indexterm zone="ch-system-e2fsprogs mklost-found">
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<primary sortas="b-mklost+found">mklost+found</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="resize2fs">
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<term><command>resize2fs</command></term>
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<listitem>
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<para>Can be used to enlarge or shrink an <systemitem
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class="filesystem">ext2</systemitem> file system</para>
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<indexterm zone="ch-system-e2fsprogs resize2fs">
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<primary sortas="b-resize2fs">resize2fs</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="tune2fs">
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<term><command>tune2fs</command></term>
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<listitem>
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<para>Adjusts tunable file system parameters on an <systemitem
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class="filesystem">ext2</systemitem> file system</para>
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<indexterm zone="ch-system-e2fsprogs tune2fs">
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<primary sortas="b-tune2fs">tune2fs</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="uuidgen">
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<term><command>uuidgen</command></term>
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<listitem>
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<para>Creates new UUIDs. Each new UUID can reasonably be considered
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unique among all UUIDs created, on the local system and on other
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systems, in the past and in the future</para>
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<indexterm zone="ch-system-e2fsprogs uuidgen">
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<primary sortas="b-uuidgen">uuidgen</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libblkid">
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<term><filename class="libraryfile">libblkid</filename></term>
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<listitem>
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<para>Contains routines for device identification and token
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extraction</para>
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<indexterm zone="ch-system-e2fsprogs libblkid">
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<primary sortas="c-libblkid">libblkid</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libcom_err">
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<term><filename class="libraryfile">libcom_err</filename></term>
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<listitem>
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<para>The common error display routine</para>
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<indexterm zone="ch-system-e2fsprogs libcom_err">
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<primary sortas="c-libcom_err">libcom_err</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libe2p">
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<term><filename class="libraryfile">libe2p</filename></term>
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<listitem>
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<para>Used by <command>dumpe2fs</command>, <command>chattr</command>,
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and <command>lsattr</command></para>
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<indexterm zone="ch-system-e2fsprogs libe2p">
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<primary sortas="c-libe2p">libe2p</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libext2fs">
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<term><filename class="libraryfile">libext2fs</filename></term>
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<listitem>
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<para>Contains routines to enable user-level programs to manipulate an
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<systemitem class="filesystem">ext2</systemitem> file system</para>
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<indexterm zone="ch-system-e2fsprogs libext2fs">
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<primary sortas="c-libext2fs">libext2fs</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libss">
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<term><filename class="libraryfile">libss</filename></term>
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<listitem>
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<para>Used by <command>debugfs</command></para>
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<indexterm zone="ch-system-e2fsprogs libss">
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<primary sortas="c-libss">libss</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libuuid">
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<term><filename class="libraryfile">libuuid</filename></term>
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<listitem>
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<para>Contains routines for generating unique identifiers for objects
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that may be accessible beyond the local system</para>
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<indexterm zone="ch-system-e2fsprogs libuuid">
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<primary sortas="c-libuuid">libuuid</primary>
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</indexterm>
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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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