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  7-Zip Windows Mac OS - Web Design, Freeware

  GNU LGPL Igor Pavlov, Web Design, Windows, Macintosh, other, download

7-Zip  Windows Mac OS, Freeware, Windows, Macintosh, other
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Development: GNU LGPL Igor Pavlov
Type: Web Design
Platform: Windows, Macintosh, other
License: Freeware

hits: 18085
today hits: 1
rating: 4.00
votes: 6
downloads 12553 times
comments: 0
7-Zip Windows Mac OS
7-Zip is a file archiver with a high compression ratio. Compression ratio results are very dependent upon the data used for the tests. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. And 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs. 7-Zip works in Windows 7 / Vista / XP / 2008 / 2003 / 2000 / NT / ME / 98. winRAR RAR. There is a port of the command line version to Linux/Unix. The program ability to shrink files is stunning. In tests, 7z archives were up to 40 percent smaller then their ZIP equivalents.

You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. 7-Zip is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. Check license information here: 7-Zip license. 7-Zip doesn't know folder path of drop target. Only Windows Explorer knows exact drop target. And Windows Explorer needs files (drag source) as decompressed files on disk. So 7-Zip extracts files from archive to temp folder and then 7-Zip notifies Windows Explorer about paths of these temp files. Then Windows Explorer copies these files to drop target folder.

32-bit Windows allocates only 2 GB of virtual space per one application. Also that block of 2 GB can be fragmented (for example, by some DLL file), so 7-Zip can't allocate one big contiguous block of virtual space. There are no such limitations in 64-bit Windows. So you can use any dictionary in Windows x64, if you have required amount of physical RAM. Since 7-Zip is licensed under the GNU LGPL you must follow the rules of that license. In brief, it means that any LGPL'ed code must remain licensed under the LGPL.

Software rate

current rate: 4.00

voters: 6

We tested this graphic design software website and didn't find any significant problems.
Thursday, January 20, 2022
2011-08-26 02:13:31


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