Rar has been gradually improved over the years and has recently arrived at version Rar5. While the program 7z (always for zip creation purposes but with 7z extension) the most efficient LZMA and LZMA2. The default one used by Windows (for example) is the classic DEFLATE, not very performing. To create a zipper file you need to choose an algorithm. The first and the second one are free, the latter is not and its developer is the owner (the program that manages this format is WinRar ). Zipper, Rar, GZip, BZip2, 7z, Tar, Tar.gz …Īmong the most popular on Windows we have: 7z, Zip and Rar. There are many algorithms and therefore compression formats:
Often we don’t even pay attention to it, but when we click on a ‘ zipper ’ file, we are us ing sophisticated compression algorithms that over the years keep getting better and better.
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