7-zip
juaner
posted @ Fri, 21 Oct 2011 16:31:20 +0800
in 计算机与文档操作
, 4542 readers
下载网站：http://7-zip.org/
压缩算法：
LZMA，（Lempel-Ziv-Markovchain-Algorithm 的缩写），是2001 年以来得到发展的一个数据压缩算法，它用于 7-Zip 归档工具中的7z 格式。它使用类似于 LZ77 的字典编码机制，在一般的情况下压缩率比 bzip2为高，用于压缩的字典文件大小可达 4GB。概述C++ 语言写成的的LZMA开放源码压缩库使用了区间编码支持的LZ77改进压缩算法以及特殊的用于二进制的预处理程序。
支持的格式有：
压缩/解压缩格式：7z,XZ,BZIP2,GZIP,TAR，ZIP和WIM。
解压缩的格式：ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR and Z。
对于ZIP和GZIP格式，7-zip比WinZip和PKZip的压缩率好2-10%。
支持AES-256加密，集成的有Windows Shell，同时也是强大的文件管理器。
如下图所示：
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