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<HTML><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><!-- Created on January, 5 2002 by texi2html 1.64 --><!-- Written by: Lionel Cons <Lionel.Cons@cern.ch> (original author) Karl Berry <karl@freefriends.org> Olaf Bachmann <obachman@mathematik.uni-kl.de> and many others.Maintained by: Olaf Bachmann <obachman@mathematik.uni-kl.de>Send bugs and suggestions to <texi2html@mathematik.uni-kl.de> --><HEAD><TITLE>Untitled Document: 1. Introduction</TITLE><META NAME="description" CONTENT="Untitled Document: 1. Introduction"><META NAME="keywords" CONTENT="Untitled Document: 1. Introduction"><META NAME="resource-type" CONTENT="document"><META NAME="distribution" CONTENT="global"><META NAME="Generator" CONTENT="texi2html 1.64"></HEAD><BODY LANG="" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#800080" ALINK="#FF0000"><A NAME="SEC1"></A><TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0><TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="manual.html#SEC_Top"> < </A>]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="manual_2.html#SEC2"> > </A>]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="manual.html#SEC_Top"> Up </A>]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="manual.html#SEC_Top">Top</A>]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="manual_toc.html#SEC_Contents">Contents</A>]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="manual_abt.html#SEC_About"> ? </A>]</TD></TR></TABLE><H1> 1. Introduction </H1><!--docid::SEC1::--><P><CODE>bzip2</CODE> compresses files using the Burrows-Wheeler block-sorting text compression algorithm, and Huffman coding.Compression is generally considerably better than thatachieved by more conventional LZ77/LZ78-based compressors,and approaches the performance of the PPM family of statistical compressors.</P><P><CODE>bzip2</CODE> is built on top of <CODE>libbzip2</CODE>, a flexible libraryfor handling compressed data in the <CODE>bzip2</CODE> format. This manualdescribes both how to use the program and how to work with the library interface. Most of themanual is devoted to this library, not the program, which is good news if your interest is only in the program.</P><P>Chapter 2 describes how to use <CODE>bzip2</CODE>; this is the only part you need to read if you just want to know how to operate the program.Chapter 3 describes the programming interfaces in detail, andChapter 4 records some miscellaneous notes which I thoughtought to be recorded somewhere.</P><P><HR SIZE="6"><TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0><TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="manual.html#SEC_Top">Top</A>]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="manual_toc.html#SEC_Contents">Contents</A>]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="manual_abt.html#SEC_About"> ? </A>]</TD></TR></TABLE><BR> <FONT SIZE="-1">This document was generatedby <I>Julian Seward</I> on <I>January, 5 2002</I>using <A HREF="http://www.mathematik.uni-kl.de/~obachman/Texi2html"><I>texi2html</I></A></BODY></HTML>⌨️ 快捷键说明
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