12 lines
2.3 KiB
HTML
12 lines
2.3 KiB
HTML
<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>X</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="../X.html" title="X"/><link rel="previous" href="../X.html" title="X"/><link rel="next" href="XEROX-PARC.html" title="XEROX PARC"/></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">X</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="../X.html">Prev</a> </td><th width="60%" align="center">X</th><td width="20%" align="right"> <a accesskey="n" href="XEROX-PARC.html">Next</a></td></tr></table><hr/></div><dt><a id="X"/><dt xmlns="" id="X"><b>X</b>: <span xmlns="http://www.w3.org/1999/xhtml" class="pronunciation">/X/</span>, <span xmlns="http://www.w3.org/1999/xhtml" class="grammar">n.</span></dt></dt><dd><p> 1. Used in various speech and writing contexts (also in lowercase)
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in roughly its algebraic sense of ‘unknown within a set defined by
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context’ (compare <a href="../N/N.html"><i class="glossterm">N</i></a>). Thus, the abbreviation
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680x0 stands for 68000, 68010, 68020, 68030, or 68040, and 80x86 stands for
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80186, 80286, 80386, 80486, 80586 or 80686 (note that a Unix hacker might
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write these as 680[0-6]0 and 80[1-6]86 or 680?0 and 80?86 respectively; see
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<a href="../G/glob.html"><i class="glossterm">glob</i></a>).</p></dd><dd><p> 2. [after the name of an earlier window system called
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‘W’] An over-sized, over-featured, over-engineered and
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incredibly over-complicated window system developed at MIT and widely used
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on Unix systems.</p></dd><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="../X.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="../X.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="XEROX-PARC.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">X </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> XEROX PARC</td></tr></table></div></body></html>
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