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XZ Utils is free general-purpose data compression software with a high compression ratio https://tukaani.org/xz/
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Lasse Collin 08ab0966a7
liblzma: API doc cleanups 		3 dagar sedan
.github ci: rename ci_build.sh -> ci_build.bash 2 veckor sedan
build-aux CI: Use only the active CPUs on macOS 2 veckor sedan
cmake Add SPDX license identifier into 0BSD source code files. 2 månader sedan
debug debug: Add generator for the ARM64 test file data. 3 veckor sedan
doc Remove the XZ logo. 3 veckor sedan
dos DOS: Omit useless defines from config.h 5 dagar sedan
doxygen Remove the XZ logo. 3 veckor sedan
extra Add SPDX license identifiers to GPL, LGPL, and FSFULLR files. 2 månader sedan
lib Add SPDX license identifiers to GPL, LGPL, and FSFULLR files. 2 månader sedan
m4 Update m4/.gitignore. 2 månader sedan
po Translations: Update the Vietnamese translation. 2 månader sedan
po4a Translations: Add missing --riscv option to man page translations. 2 månader sedan
src liblzma: API doc cleanups 3 dagar sedan
tests Tests: test_filter_str: Add a few assertions 4 dagar sedan
windows Update website URLs back to tukaani.org. 3 veckor sedan
.codespellrc codespell: Add .codespellrc to set default options. 9 månader sedan
.gitignore Update .gitignore 1 vecka sedan
AUTHORS Update maintainer and author info. 3 veckor sedan
CMakeLists.txt liblzma: Remove ifunc support. 3 veckor sedan
COPYING Remove the XZ logo. 3 veckor sedan
COPYING.0BSD Change most public domain parts to 0BSD. 2 månader sedan
COPYING.GPLv2 Update the copies of GPLv2 and LGPLv2.1 from gnu.org. 14 år sedan
COPYING.GPLv3 Update the copy of GNU GPLv3 from gnu.org to COPYING.GPLv3. 1 år sedan
COPYING.LGPLv2.1 Update the copies of GPLv2 and LGPLv2.1 from gnu.org. 14 år sedan
ChangeLog Docs: Update repository URL in Changelog. 4 månader sedan
INSTALL liblzma: Remove ifunc support. 3 veckor sedan
INSTALL.generic Update INSTALL.generic from Automake 1.16.1. 4 år sedan
Makefile.am Remove the XZ logo. 3 veckor sedan
NEWS Fix NEWS for 5.6.0 and 5.6.1. 3 veckor sedan
PACKAGERS Change most public domain parts to 0BSD. 2 månader sedan
README Remove the XZ logo. 3 veckor sedan
THANKS Update maintainer and author info. 3 veckor sedan
TODO Docs: Omit SIGTSTP not handled from TODO. 1 år sedan
autogen.sh Add SPDX license identifier into 0BSD source code files. 2 månader sedan
configure.ac Build: Omit useless checks for fcntl.h, limits.h, and sys/time.h 5 dagar sedan

README 


XZ Utils
========

    0. Overview
    1. Documentation
       1.1. Overall documentation
       1.2. Documentation for command-line tools
       1.3. Documentation for liblzma
    2. Version numbering
    3. Reporting bugs
    4. Translations
    5. Other implementations of the .xz format
    6. Contact information


0. Overview
-----------

    XZ Utils provide a general-purpose data-compression library plus
    command-line tools. The native file format is the .xz format, but
    also the legacy .lzma format is supported. The .xz format supports
    multiple compression algorithms, which are called "filters" in the
    context of XZ Utils. The primary filter is currently LZMA2. With
    typical files, XZ Utils create about 30 % smaller files than gzip.

    To ease adapting support for the .xz format into existing applications
    and scripts, the API of liblzma is somewhat similar to the API of the
    popular zlib library. For the same reason, the command-line tool xz
    has a command-line syntax simil