Thursday, April 06, 2006

7-Zip 4.37 Beta - Open Source File Archiver

7zip logo7-Zip 4.37 Beta (Windows, Open Source, 837 KB) [via Filehippo] is an open source file archiver predominantly for the Microsoft Windows operating system. It operates either as a command line program or with a graphical user interface. It also features integration with the Windows shell environment. 7-Zip is free software, distributed under the GNU LGPL license.

Latest changes:

  • -x switch with relative paths now affects files specified with absolute paths
  • Optional Flat View mode in 7-Zip File Manager
  • Some bugs were fixed


It seems that the 7z format is 30-70% better than the zip format, in terms of compression ratio. Also, 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs.

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