7-zip v9.20.07 Stable release of extremely high compression ratio of open source compression software

The ZIP software is based on the GNU Minor Public License Agreement (Lesser General publicly License) and is a http://www.aliyun.com/zixun/aggregation/18395.html "> Completely free compression decompression software. 7-zip is a free and open source decompression software, command line options with powerful settings, very suitable for backup, will describe how to operate. A 7-zip with no graphical interface is used, and the operation is done through the command line. One of the benefits of this is that the entire software program has only one file, suitable for portable in U disk, easy to operate.

Support format:

Compression and decompression: 7z, ZIP, GZIP, BZIP2, and TAR

Extract only: ARJ, DMG, HFS, LHA, Lzma, RPM, SPLIT, SWM, TBZ, TBZ2, TGZ, Tpz, WIM, Xar, RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB, and NSIS

Update records:

-7-zip can now extract UEFI BIOS files.
-The 64-bit version of 7-zip now includes a 32-bit shell extension DLL. This 32-bit program can also call the 64-bit 7-zip right-click menu.
-Now 7-zip can associate files without requiring administrator privileges.
-The new-mf=filterid option is used to specify the compression filter, for example:
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
-Fixed known error.
-New localized languages: Corsican (Corsica), Kyrgyz (Kyrgyz), Ligurian (Liguria).

Download Address:

32-bit system: Http://downloads.sourceforge.net/sevenzip/7z920.exe
64-bit system: Http://downloads.sourceforge.net/sevenzip/7z920-x64.msi