7-Zip 9.31 Alpha / 9.22 Beta / 9.20 發布，開源的壓縮程序
7-Zip是一個開放源碼的數據壓縮程序，主要用在Microsoft Windows操作系統，Unix-like的操作系統如Linux與 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圖形用戶界面的程序，而且可以與資源管理器結合。7-Zip是自 由軟件，由Igor Pavlov于1999年開始發展，并把主體在GNU LGPL下發布，加密部份使用AES的代碼，使用BSD license發 布，解壓RAR部分使用RAR特定的許可協議。
壓縮：通過LZMA算法將文件壓縮成7z格式的文件。同時它還可以將文件壓縮成ZIP, GZIP, BZIP2 and TAR等格式。
解壓縮：除了解壓7z格式壓縮文件外，它還可以解壓RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS的壓縮文件。
目前支持的操作系統有：Windows, Linux, FreeBSD, Mac OS X, and BeOS.
Changes in version 9.31 Alpha, 2013-11-29:
- 7-Zip now can create multivolume SFX archives in 7z format.
- ZIP, NSIS, HFS, AR support was improved.
- 7-Zip now supports files larger than 4 GiB in ISO archives
- Improved compression ratio in 7z format with maximum or ultra level for executable files (EXE and DLL) that are larger than 16 MB (improved BCJ2 filter).
- Improved support for file pathnames longer than 260 characters.
- CRC and SHA checksum calculation for files can be called via Explorer’s context menu.
- 7-Zip File Manager now also takes into account the numbers in filenames for sorting order.
- 7-Zip File Manager can open files in “Parser” mode via “Open Archive > #” context menu command. It shows the list of archives inside file.
- Command line version:
# # new -t# switch to open file in “Parser” mode and show the list of archives inside file.
# # new -stx{Type} switch to exclude archive type from using.
# # -scs switch now supports UTF-16 encoding.
- The BUGs were fixed:
# # 7-Zip could work incorrectly in decompression of more than one multi-volume archive in one command.
# # 7-Zip 9.24 alpha – 9.30 alpha versions could not extract ZIP archives encrypted with PKWARE-AES method.
- New localization: Irish.
下載地址:
7-Zip 9.20 (64-bit)
來自: cnbeta