16 lines
2.5 KiB
HTML
16 lines
2.5 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>chain</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="chad-box.html" title="chad box"/><link rel="next" href="chainik.html" title="chainik"/></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">chain</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="chad-box.html">Prev</a> </td><th width="60%" align="center">C</th><td width="20%" align="right"> <a accesskey="n" href="chainik.html">Next</a></td></tr></table><hr/></div><dt><a id="chain"/><dt xmlns="" id="chain"><b>chain</b></dt></dt><dd><p> 1. <span class="grammar">vi.</span> [orig. from BASIC's
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<b class="command">CHAIN</b> statement] To hand off execution to a
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child or successor without going through the <a href="../O/OS.html"><i class="glossterm">OS</i></a>
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command interpreter that invoked it. The state of the parent program is
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lost and there is no returning to it. Though this facility used to be
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common on memory-limited micros and is still widely supported for backward
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compatibility, the jargon usage is semi-obsolescent; in particular, most
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Unix programmers will think of this as an <a href="../E/exec.html"><i class="glossterm">exec</i></a>.
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Oppose the more modern <span class="firstterm">subshell</span>.
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</p></dd><dd><p> 2. <span class="grammar">n.</span> A series of linked data
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areas within an operating system or application. <span class="firstterm">Chain rattling</span> is the process of repeatedly
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running through the linked data areas searching for one which is of
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interest to the executing program. The implication is that there is a very
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large number of links on the chain.</p></dd><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="chad-box.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="chainik.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">chad box </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> chainik</td></tr></table></div></body></html>
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