7-Zip 9.20.05 alpha

On 2011年02月16日, in soft, by netoearth

7-Zip是一个开放源码的数据压缩程序,主要用在Microsoft Windows操作系统,Unix-like的操作系统如Linux与FreeBSD下面有7-zip的移植版本p7zip可以使用。它提供命令行接口的 程序或图形用户界面的程序,而且可以与资源管理器结合。7-Zip是自由软件,由Igor Pavlov于2000年开始发展,并把主体在GNU LGPL下发布,加密部份使用AES的代码,使用BSD license发布,解压RAR部分使用RAR特定的许可协议.

7-Zip for 32-bit Windows:
http://dl.7-zip.org/7z920.05.exe
7-Zip for 64-bit Windows x64:
http://dl.7-zip.org/7z920.05-x64.msi

What’s new:
- 7-Zip now can unpack UEFI BIOS files.
- 64-bit version of 7-Zip now includes additional 32-bit shell extension DLL. So other 32-bit programs can call 64-bit 7-Zip via context menu.
- Now it’s possible to associate 7-Zip with file types without Administrator rights.
- New -mf=FilterID switch to specify compression filter. Examples: 7z a -mf=bcj2 a.7z a.tar 7z a -mf=delta:4 a.7z a.wav 7z a -mf=bcj a.tar.xz a.tar
- There are some changes in LZMA settings for BCJ2 filter. So compression ratio now is slightly improved for executable files in -mx9 mode for .7z format.
- Some bugs were fixed. – New localizations: Corsican, Kyrgyz.

注:关于 -m 参数的处理部分被重写了,如果发现与之有关的bug,欢迎反馈。

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