7-Zip 的主要特征：
·更新了算法来加大 7z 格式 的压缩比
·7-Zip 是基于 GNU LGPL 之下发布的软件
·支持格式：7z、ZIP、CAB、RAR、ARJ、GZIP、BZIP2、Z、TAR、CPIO、RPM 和 DEB。对于 ZIP 及 GZIP 格式，7-Zip 能提供比使用 PKZip 及 WinZip 高 2-10% 的压缩比。7z 格式支持创建自释放(SFX)压缩档案
·集成 Windows 外壳扩展
·强大的的文件管理
·强大的命令行版本
·支持 FAR Manager
·支持 55 种语言
7-Zip 4.45 Alpha 2
- Now it's possible to specify the size of solid block and the number of CPU threads in "Add to archive" dialog box.
- Default dictionary size was increased: Normal: 16 MB, Max: 32 MB.
- Speed optimizations.
- Benchmark was improved (new "b" command in command line version).
- Some bugs were fixed.
- The number of DLL files was reduced.
- Now it's possible to associate 7-zip with combined types like .tbz2
- switch -mhcf=off is not supported now.
- If -t{Type} switch is not specified, 7-Zip now uses extension of archive to detect the type of archive.
- New localization: Welsh.
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点这里下载-> 7-Zip 4.57 简体中文版