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| -rw-r--r-- | README | 21 |
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@@ -2,13 +2,14 @@ Description Lzip is a lossless data compressor with a user interface similar to the one of gzip or bzip2. Lzip uses a simplified form of the 'Lempel-Ziv-Markov -chain-Algorithm' (LZMA) stream format, chosen to maximize safety and -interoperability. Lzip can compress about as fast as gzip (lzip -0) or -compress most files more than bzip2 (lzip -9). Decompression speed is -intermediate between gzip and bzip2. Lzip is better than gzip and bzip2 from -a data recovery perspective. Lzip has been designed, written, and tested -with great care to replace gzip and bzip2 as the standard general-purpose -compressed format for unix-like systems. +chain-Algorithm' (LZMA) stream format and provides a 3 factor integrity +checking to maximize interoperability and optimize safety. Lzip can compress +about as fast as gzip (lzip -0) or compress most files more than bzip2 +(lzip -9). Decompression speed is intermediate between gzip and bzip2. +Lzip is better than gzip and bzip2 from a data recovery perspective. Lzip +has been designed, written, and tested with great care to replace gzip and +bzip2 as the standard general-purpose compressed format for unix-like +systems. For compressing/decompressing large files on multiprocessor machines plzip can be much faster than lzip at the cost of a slightly reduced compression @@ -67,7 +68,7 @@ filename.lz becomes filename filename.tlz becomes filename.tar anyothername becomes anyothername.out -(De)compressing a file is much like copying or moving it; therefore lzip +(De)compressing a file is much like copying or moving it. Therefore lzip preserves the access and modification dates, permissions, and, when possible, ownership of the file just as 'cp -p' does. (If the user ID or the group ID can't be duplicated, the file permission bits S_ISUID and @@ -104,7 +105,7 @@ finding coding sequences of minimum size than the one currently used by lzip could be developed, and the resulting sequence could also be coded using the LZMA coding scheme. -Lzip currently implements two variants of the LZMA algorithm; fast +Lzip currently implements two variants of the LZMA algorithm: fast (used by option '-0') and normal (used by all other compression levels). The high compression of LZMA comes from combining two basic, well-proven @@ -124,7 +125,7 @@ been compressed. Decompressed is used to refer to data which have undergone the process of decompression. -Copyright (C) 2008-2021 Antonio Diaz Diaz. +Copyright (C) 2008-2022 Antonio Diaz Diaz. This file is free documentation: you have unlimited permission to copy, distribute, and modify it. |