XZ Utils is free general-purpose data compression software with a high compression ratio https://tukaani.org/xz/
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Lasse Collin b0366df1d7 Tests: test_filter_str: Test *error_pos more thoroughly 2 일 전
.github ci: rename ci_build.sh -> ci_build.bash 2 주 전
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cmake Add SPDX license identifier into 0BSD source code files. 2 달 전
debug debug: Add generator for the ARM64 test file data. 2 주 전
doc Remove the XZ logo. 2 주 전
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src liblzma: lzma_str_to_filters: Set *error_pos on all errors 2 일 전
tests Tests: test_filter_str: Test *error_pos more thoroughly 2 일 전
windows Update website URLs back to tukaani.org. 2 주 전
.codespellrc codespell: Add .codespellrc to set default options. 9 달 전
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AUTHORS Update maintainer and author info. 2 주 전
CMakeLists.txt liblzma: Remove ifunc support. 2 주 전
COPYING Remove the XZ logo. 2 주 전
COPYING.0BSD Change most public domain parts to 0BSD. 2 달 전
COPYING.GPLv2 Update the copies of GPLv2 and LGPLv2.1 from gnu.org. 14 년 전
COPYING.GPLv3 Update the copy of GNU GPLv3 from gnu.org to COPYING.GPLv3. 1 년 전
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ChangeLog Docs: Update repository URL in Changelog. 4 달 전
INSTALL liblzma: Remove ifunc support. 2 주 전
INSTALL.generic Update INSTALL.generic from Automake 1.16.1. 4 년 전
Makefile.am Remove the XZ logo. 2 주 전
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THANKS Update maintainer and author info. 2 주 전
TODO Docs: Omit SIGTSTP not handled from TODO. 1 년 전
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configure.ac Build: Omit useless checks for fcntl.h, limits.h, and sys/time.h 3 일 전

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