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gzip is a file format and a software application used for file compression and decompression. The program was created by Jean-loup Gailly and Mark Adler as a free software replacement for the compress program used in early Unix systems, and intended for use by GNU (from which the "g" of gzip is derived). Version 0.1 was first publicly released ...
xz, the command-line compressor and decompressor (analogous to gzip) liblzma, a software library with an API similar to zlib; Various command shortcuts exist, such as lzma (for xz --format=lzma), unxz (for xz --decompress; analogous to gunzip) and xzcat (for unxz --stdout; analogous to zcat).
When compressing ZIP or gzip files, 7-Zip uses its own DEFLATE encoder, which may achieve higher compression, but at lower speed, than the more common zlib DEFLATE implementation. The 7-Zip deflate encoder implementation is available separately as part of the AdvanceCOMP suite of tools.
gzip, gunzip – compression and decompression utilities; Text Processing. cat – concatenate files; cmp – compare two files; diff – differential file comparator;
compress is a Unix shell compression program based on the LZW compression algorithm. [1] Compared to gzip's fastest setting, compress is slightly slower at compression, slightly faster at decompression, and has a significantly lower compression ratio.
The compression bitstream used by pkzip and gzip is the same, just with different headers on the top and bottom, and this is what makes a zip-file a zip-file and a gzip-file a gzip-file. It is possible to transcode between the two without recompressing by just replacing the .zip/.gz headers, but keeping the core content stream the same.
Pages for logged out editors learn more. Contributions; Talk; Gunzip
zlib (/ ˈ z iː l ɪ b / or "zeta-lib", / ˈ z iː t ə ˌ l ɪ b /) [2] [3] is a software library used for data compression as well as a data format. [4] zlib was written by Jean-loup Gailly and Mark Adler and is an abstraction of the DEFLATE compression algorithm used in their gzip file compression program. zlib is also a crucial component of many software platforms, including Linux, macOS ...
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