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<HTML><HEAD><TITLE>Bzip2</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.63"><LINKREL="HOME"TITLE="Linux From Scratch"HREF="../index.html"><LINKREL="UP"TITLE="Package descriptions"HREF="../appendixa/appendixa.html"><LINKREL="PREVIOUS"TITLE="Binutils"HREF="../appendixa/binutils.html"><LINKREL="NEXT"TITLE="Diffutils"HREF="../appendixa/diffutils.html"></HEAD><BODYCLASS="sect1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">Linux From Scratch: Version 3.1</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="../appendixa/binutils.html">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Appendix A. Package descriptions</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="../appendixa/diffutils.html">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="sect1"><H1CLASS="sect1"><ANAME="aa-bzip2">A.4. Bzip2</A></H1><DIVCLASS="sect2"><H2CLASS="sect2"><ANAME="AEN4666">A.4.1. Contents</A></H2><P>The Bzip2 packages contains the bunzip2, bzcat, bzip2 and bzip2recover programs.</P></DIV><DIVCLASS="sect2"><H2CLASS="sect2"><ANAME="AEN4669">A.4.2. Description</A></H2><DIVCLASS="sect3"><H3CLASS="sect3"><ANAME="AEN4671">A.4.2.1. bunzip2</A></H3><P>Bunzip2 decompresses files that are compressed with bzip2.</P></DIV><DIVCLASS="sect3"><H3CLASS="sect3"><ANAME="AEN4674">A.4.2.2. bzcat</A></H3><P>bzcat (or bzip2 -dc) decompresses all specified files to the standard output.</P></DIV><DIVCLASS="sect3"><H3CLASS="sect3"><ANAME="AEN4677">A.4.2.3. bzip2</A></H3><P>bzip2 compresses files using the Burrows-Wheeler block sorting text compression algorithm, and Huffman coding. Compression is generally considerably  better than that achieved by more conventional LZ77/LZ78-based compressors, and approaches the performance of the PPM family of statistical compressors.</P></DIV><DIVCLASS="sect3"><H3CLASS="sect3"><ANAME="AEN4680">A.4.2.4. bzip2recover</A></H3><P>bzip2recover recovers data from damaged bzip2 files.</P></DIV></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="../appendixa/binutils.html">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="../index.html">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="../appendixa/diffutils.html">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Binutils</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="../appendixa/appendixa.html">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Diffutils</TD></TR></TABLE></DIV></BODY></HTML>
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