source: BOOK/final-system/common/xz.xml @ 4f82906

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;
]>

<sect1 id="ch-system-xz" role="wrap">
  <?dbhtml filename="xz.html"?>

  <title>XZ-Utils-&xz-version;</title>

  <indexterm zone="ch-system-xz">
    <primary sortas="a-XZ-Utils">XZ-Utils</primary>
  </indexterm>

  <sect2 role="package">
    <title/>

    <para>The XZ-Utils package contains programs for compressing and
    decompressing files. Compressing text files with <command>XZ-Utils</command>
    yields a much better compression percentage than with the traditional
    <command>gzip</command>.</para>

  </sect2>

  <sect2 role="installation">
    <title>Installation of XZ-Utils</title>

    <para os="a">Prepare XZ-Utils for compilation:</para>

<screen os="b"><userinput>./configure --prefix=/usr</userinput></screen>

    <para os="c">Compile the package:</para>

<screen os="d"><userinput>make</userinput></screen>

    <para os="e">Install the programs:</para>

<screen os="f"><userinput>make install</userinput></screen>

    <para os="g">Install the xz binary into the /bin directory, make some necessary symbolic links, and clean up: :</para>

<screen os="h"><userinput>mv -v /usr/bin/xz /bin
ln -sfv xz /bin/lzma
ln -sfv xz /bin/lzcat
ln -sfv xz /bin/unlzma
ln -sfv xz /bin/unxz
ln -sfv xz /bin/xzcat</userinput></screen>

  </sect2>

  <sect2 id="contents-xz" role="content">
    <title>Contents of XZ-Utils</title>

    <segmentedlist>
      <segtitle>Installed programs</segtitle>
      <segtitle>Installed libraries</segtitle>

      <seglistitem>
        <seg>lzcat (link to xz), lzcmp (link to lzdiff), lzdiff, lzegrep (link to lzgrep),
        lzfgrep (link to lzgrep), lzgrep, lzless (link to lzmore), lzma (link to xz),
        lzmadec, lzmore, unlzma (link to lzma), unxz (link to xz), xz, xzdec, and
        xzcat (link to xz).</seg>
        <seg>/liblzma.a liblzma.la liblzma.so liblzma.so.0 liblzma.so.0.0.0</seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="lzcat">
        <term><command>lzcat</command></term>
        <listitem>
          <para>Decompresses to standard output</para>
          <indexterm zone="ch-system-xz lzcat">
            <primary sortas="b-lzcat">lzcat</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzcmp">
        <term><command>lzcmp</command></term>
        <listitem>
          <para>Compares lzma compressed files</para>
          <indexterm zone="ch-system-xz lzcmp">
            <primary sortas="b-lzcmp">lzcmp</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzdiff">
        <term><command>lzdiff</command></term>
        <listitem>
          <para>Compares lzma compressed files</para>
          <indexterm zone="ch-system-xz lzdiff">
            <primary sortas="b-lzdiff">lzdiff</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzegrep">
        <term><command>lzegrep</command></term>
        <listitem>
          <para>Runs <command>egrep</command> on lzma compressed files</para>
          <indexterm zone="ch-system-xz lzegrep">
            <primary sortas="b-lzegrep">lzegrep</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzfgrep">
        <term><command>lzfgrep</command></term>
        <listitem>
          <para>Runs <command>fgrep</command> on lzma compressed files</para>
          <indexterm zone="ch-system-xz lzfgrep">
            <primary sortas="b-lzfgrep">lzfgrep</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzgrep">
        <term><command>lzgrep</command></term>
        <listitem>
          <para>Runs <command>grep</command> on lzma compressed files</para>
          <indexterm zone="ch-system-xz lzgrep">
            <primary sortas="b-lzgrep">lzgrep</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzless">
        <term><command>lzless</command></term>
        <listitem>
          <para>Runs <command>less</command> on lzma files</para>
          <indexterm zone="ch-system-xz lzless">
            <primary sortas="b-lzless">lzless</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzma">
        <term><command>lzma</command></term>
        <listitem>
          <para>Compresses lzma files</para>
          <indexterm zone="ch-system-xz lzma">
            <primary sortas="b-lzma">lzma</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzmadec">
        <term><command>lzmadec</command></term>
        <listitem>
          <para>Decompresses lzma files</para>
          <indexterm zone="ch-system-xz lzmadec">
            <primary sortas="b-lzmadec">lzmadec</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzmainfo">
        <term><command>lzmainfo</command></term>
        <listitem>
          <para>Shows information about the lzma file.</para>
          <indexterm zone="ch-system-xz lzmainfo">
            <primary sortas="b-lzmainfo">lzmainfo</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lzmore">
        <term><command>lzmore</command></term>
        <listitem>
          <para>Runs <command>more</command> on lzma files</para>
          <indexterm zone="ch-system-xz lzmore">
            <primary sortas="b-lzmore">lzmore</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="unlzma">
        <term><command>unlzma</command></term>
        <listitem>
          <para>Uncompresses lzma files</para>
          <indexterm zone="ch-system-xz unlzma">
            <primary sortas="b-unlzma">unlzma</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>