Clzip is a lossless data compressor with a user interface similar to the
one of gzip or bzip2. Clzip decompresses almost as fast as gzip and
compresses more than bzip2, which makes it well suited for software
distribution and data archiving. Clzip is a clean implementation of the
Clzip uses the lzip file format; the files produced by clzip are fully
compatible with lzip-1.4 or newer. Clzip is in fact a C language version
of lzip, intended for embedded devices or systems lacking a C++
The lzip file format is designed for long-term data archiving. It is
clean, provides very safe 4 factor integrity checking, and is backed by
the recovery capabilities of lziprecover.
Clzip uses the same well-defined exit status values used by lzip and
bzip2, which makes it safer when used in pipes or scripts than
compressors returning ambiguous warning values, like gzip.
Learn more about lzip in the Lzip Home Page.
The manual is available in the info system of the GNU
Operating System. Use info to access the top level info
page. Use info clzip to access the clzip section directly.
An online manual for clzip can be found
The latest released version of clzip can be found
You may also subscribe to
and receive an email every time a new version is released.
How to Get Help
For general discussion of bugs in clzip the mailing list
is the most appropriate forum. Please send messages as plain text.
Please do not send messages encoded as HTML nor encoded as base64 MIME
nor included as multiple formats. Please include a descriptive subject
line. If all of the subject are "bug in clzip" it is impossible to
An archive of the bug report mailing list is available at
How to Help
To contact the author, either to report a bug or to contribute fixes or
improvements, send mail to
Please send messages as plain text. If posting patches they should be in
unified diff format against the latest version. They should include a
See also the
project page at Savannah.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU
General Public License as published by the Free Software Foundation,
either version 3 of the License, or (at your option) any later version.
Copyright © 2013 Antonio Diaz Diaz
Lzip logo Copyright © 2013 Sonia Diaz Pacheco
You are free to copy, modify and distribute all or part of this article