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@@ -2,20 +2,19 @@ Description Lunzip is a decompressor for the lzip format written in C. Its small size makes it well suited for embedded devices or software installers that need -to decompress files but don't need compression capabilities. Lunzip is -compatible with lzip 1.4 or newer. +to decompress files but don't need compression capabilities. 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 to maximize interoperability. The -maximum dictionary size is 512 MiB so that any lzip file can be decompressed -on 32-bit machines. Lzip provides accurate and robust 3-factor integrity -checking. 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. +of gzip or bzip2. Lzip uses a simplified form of LZMA (Lempel-Ziv-Markov +chain-Algorithm) designed to achieve complete interoperability between +implementations. The maximum dictionary size is 512 MiB so that any lzip +file can be decompressed on 32-bit machines. Lzip provides accurate and +robust 3-factor integrity checking. 'lzip -0' compresses about as fast as +gzip, while 'lzip -9' compresses most files more than bzip2. Decompression +speed is intermediate between gzip and bzip2. Lzip provides better data +recovery capabilities than gzip and bzip2. Lzip has been designed, written, +and tested with great care to replace gzip and bzip2 as general-purpose +compressed format for Unix-like systems. The lzip file format is designed for data sharing and long-term archiving, taking into account both data integrity and decoder availability: @@ -65,8 +64,8 @@ The amount of memory required by lunzip to decompress a file is about 46 kB larger than the dictionary size used to compress that file, unless '--buffer-size' is specified. -Lunzip attempts to guess the name for the decompressed file from that of -the compressed file as follows: +When decompressing, lunzip attempts to guess the name for the decompressed +file from that of the compressed file as follows: filename.lz becomes filename filename.tlz becomes filename.tar |