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This program, bzip2
,
and associated library libbzip2
, are
Copyright (C) 1996-1998 Julian R Seward. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Julian Seward, Guildford, Surrey, UK.
jseward@acm.org
http://www.muraroa.demon.co.uk
bzip2
/libbzip2
version 0.9.0 of 23 August 1998.
PATENTS: To the best of my knowledge, bzip2
does not use any patented
algorithms. However, I do not have the resources available to carry out
a full patent search. Therefore I cannot give any guarantee of the
above statement.
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.
bzip2
is built on top of libbzip2
, a flexible library
for handling compressed data in the bzip2
format. This manual
describes both how to use the program and
how to work with the library interface. Most of the
manual is devoted to this library, not the program,
which is good news if your interest is only in the program.
Chapter 2 describes how to use bzip2
; 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, and
Chapter 4 records some miscellaneous notes which I thought
ought to be recorded somewhere.
Go to the first, previous, next, last section, table of contents.