HTTP:: Introducing LZMA and XZ Compression Algorithms
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We've decided to write a little article about some recent compression algorithms found in various bleeding-edge Linux distributions, especially for newcomers to this open source and free operating system. We guess that some of you already know about the classic archive types, such as tar.gz or tar.bz2, which are mostly encountered whenever you get your hands dirty with Linux. But today we will introduce you to two high-compression utilities: LZMA and XZ. Why? Simply because, you will definitely encounter in the near feature more and more tar.lzma or tar.xz archives, and you will either have no idea what they are and what to do with them, or you will not have the required packages to extract such archives. Developed since 1998, LZMA (Lempel-Ziv-Markov chain-Algorithm) is a data archiving utility with a high-compression ratio. Yes, that means smaller archives! How small? Well, even if we can't provide a real benchmark for it, from our experience the outputted archives are tw!
o times smaller in some cases, compared with an old tar.gz archive. On the other hand, the XZ compression algorithm is much newer, is based on the Lempel-Ziv/Markov-chain compression method and it is designed to replace the LZMA package. That means, XZ is faster and it produces even smaller archives. But the best part is that it can als...
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http://news.softpedia.com/news/Introducing-LZMA-and-XZ-Compression-Algorithms-124883.shtml
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