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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).
mod_gzip is an external extension module for the Apache HTTP Server v1 and v2. It allows using the Gzip compression method for a significant reduction of the volume of web page content served over the HTTP protocol. mod_gzip can be compiled into Apache as either a static or dynamic module.
Decompression speed is higher than bzip2, but lower than gzip. Compression can be much slower than gzip, and is slower than bzip2 for high levels of compression, and is most useful when a compressed file will be used many times. [4] [5] XZ Utils consists of two major components: xz, the command-line compressor and decompressor (analogous to gzip)
The original version of Squashfs used gzip compression, although Linux kernel 2.6.34 added support for LZMA [11] and LZO compression, [12] Linux kernel 2.6.38 added support for LZMA2 compression (which is used by xz), [13] Linux kernel 3.19 added support for LZ4 compression, [14] and Linux kernel 4.14 added support for Zstandard compression. [15]
pip (also known by Python 3's alias pip3) is a package-management system written in Python and is used to install and manage software packages. [4] The Python Software Foundation recommends using pip for installing Python applications and its dependencies during deployment. [5]
pyflate, a pure-Python stand-alone Deflate and bzip2 decoder by Paul Sladen. Written for research/prototyping and made available under the BSD/GPL/LGPL/DFSG licenses. deflatelua, a pure-Lua implementation of Deflate and gzip/zlib decompression, by David Manura. inflate a pure-Javascript implementation of Inflate by Chris Dickinson
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 ...
It made its way into several software of the Unix-like world with its high performance (compared to bzip2) and small size (compared to gzip). [2] The Linux kernel , dpkg and RPM systems contains xz code, and many software distributors like kernel.org , Debian [ 19 ] and Fedora now use xz for compressing their releases.