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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 cf2df0f05a
Use $(LIB_FUZZING_ENGINE) in tests/ossfuzz/Makefile. 		4 years ago
build-aux Build: Fix a CR+LF problem when running autoreconf -fi on OS/2. 9 years ago
debug Avoid variable-length arrays in the debug programs. 9 years ago
doc spelling 5 years ago
dos DOS: Add file_info.c to the list of files to build. 6 years ago
extra extra/scanlzma: Fix compiler warnings. 6 years ago
lib Put the interesting parts of XZ Utils into the public domain. 15 years ago
m4 Revise tuklib_integer.h and .m4. 4 years ago
macosx macosx: separate liblzma package 11 years ago
po Update German translation, mostly wrt orthography 9 years ago
src Rename unaligned_read32ne to read32ne, and similarly for the others. 4 years ago
tests Use $(LIB_FUZZING_ENGINE) in tests/ossfuzz/Makefile. 4 years ago
windows spelling 5 years ago
.gitignore Update .gitignore files. 10 years ago
AUTHORS Fix a few typos and add some missing articles in some documents. 12 years ago
COPYING Update the home page URLs to HTTPS. 7 years ago
COPYING.GPLv2 Update the copies of GPLv2 and LGPLv2.1 from gnu.org. 14 years ago
COPYING.GPLv3 Imported to git. 17 years ago
COPYING.LGPLv2.1 Update the copies of GPLv2 and LGPLv2.1 from gnu.org. 14 years ago
ChangeLog Update the Git repository URL to HTTPS in ChangeLog. 7 years ago
Doxyfile.in spelling 5 years ago
INSTALL Scripts: Put /usr/xpg4/bin to the beginning of PATH on Solaris. 5 years ago
INSTALL.generic Update INSTALL.generic. 14 years ago
Makefile.am Build: Omit pre-5.0.0 entries from the generated ChangeLog. 7 years ago
NEWS spelling 5 years ago
PACKAGERS Update docs. 14 years ago
README README: Update translation instructions. 5 years ago
THANKS Update THANKS. 5 years ago
TODO Update TODO. 10 years ago
autogen.sh Added a comment about "autoconf -fi" to autogen.sh. 15 years ago
configure.ac Scripts: Put /usr/xpg4/bin to the beginning of PATH on Solaris. 5 years ago

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. Translating the xz tool
    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 s