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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>compress</title><link rel="stylesheet" href="../../jargon.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.61.0"/><link rel="home" href="../index.html" title="The Jargon File"/><link rel="up" href="../C.html" title="C"/><link rel="previous" href="compo.html" title="compo"/><link rel="next" href="CompuServe.html" title="Compu$erve"/></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">compress</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="compo.html">Prev</a> </td><th width="60%" align="center">C</th><td width="20%" align="right"> <a accesskey="n" href="CompuServe.html">Next</a></td></tr></table><hr/></div><dt><a id="compress"/><dt xmlns="" id="compress"><b>compress</b>: <span xmlns="http://www.w3.org/1999/xhtml" class="grammar">vt.</span></dt></dt><dd><p> [Unix] When used without a qualifier, generally refers to
<a href="crunch.html"><i class="glossterm">crunch</i></a>ing of a file using a particular C
implementation of compression by Joseph M. Orost et al.: and widely
circulated via <a href="../U/Usenet.html"><i class="glossterm">Usenet</i></a>; use of
<a href="crunch.html"><i class="glossterm">crunch</i></a> itself in this sense is rare among Unix
hackers. Specifically, compress is built around the Lempel-Ziv-Welch
algorithm as described in &#8220;<span class="quote">A Technique for High Performance Data
Compression</span>&#8221;, Terry A. Welch, <i class="citetitle">IEEE Computer</i>,
vol. 17, no. 6 (June 1984), pp. 8--19.</p></dd><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="compo.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="../C.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="CompuServe.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">compo </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> Compu$erve</td></tr></table></div></body></html>