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File compression - 7-Zip E-mail
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Written by Administrador   
terça, 30 janeiro 2007

7-Zip logo

This program was created as an opensource alternative to WinZip. 7zip is compatible with almost any type of archive file, such as: 7z, ZIP, GZIP, BZIP2, TAR, RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS.

After installing it on your computer, just right-click on top of the file you want to extract to see 7zip's menu. To archive files, its that easy as well, just select the file(s) you want to archive and then right-click to see the archiving options.

The compression format 7z has a very good level of performance comparing to the zip format. I can even say that its an intelligent compression system where it looks for redundancy in the coding of the files to eliminate unnecessary duplicates. For example,  if you have two similar files (two similar programs, text files, etc) 7z will read the coding of the files and compress only the unique coding, removing redundancies. This way you'll have a very high archiving performance.

7-Zip is an opensource program distributed under GNU LGPL.

Download it here (windows and Linux).

 
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