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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<title>debtree - Package dependency graphs</title>
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<h1>debtree &mdash; package dependency graphs on steroids</h1>

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<h3><a href="index.html">Introduction</a></h3>

<h3>Example: debconf</h3>

<ol start="0">
<li><a href="debconf0.html">Graph from apt-cache (for comparison)</a></li>
<li><a href="debconf1.html">Basic graph (only hard dependencies and conflicts)</a></li>
<li><a href="debconf2.html">Basic graph with Recommends</a></li>
<li><a href="debconf3.html">Basic graph with Recommends and Suggests</a></li>
<li><b>Basic graph with Recommends and showing alternatives</b></li>
<li><a href="debconf5.html">Default graph (showing Recommends, alternatives and versions)</a></li>
<li><a href="debconf6.html">Default graph with Suggests</a></li>
<li><a href="debconf7.html">Default graph with Suggests and versioned Conflicts</a></li>
<li><a href="debconf8.html">Default graph (rotated)</a></li>
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<hr />

<p>
Here a dependency that can be satisfied by multiple packages is shown:<br />
<tt>debconf Depends: debconf-i18n | debconf-english</tt><br />
In earlier graphs only the first alternative was displayed.
</p><p>
Only a single arrow is used to show the relationship <i>to</i> the alternative packages, but arrows showing dependencies <i>from</i> an alternative package to other packages originate from the individual packages in the set. However, in some cases this may not be 100% visible as dot can originate an arrow end on the line separating two alternatives.
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Note the mutual Conflicts between the alternatives.
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<p><tt><font size="-1">
$ debtree --no-versions debconf
</font></tt></p>
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<img src="thumbs/debconf4.png" alt="Dependency graph for debconf" />
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<td>Generated .dot file:</td>
<td><a href="debconf4.dot" target="_blank">DOT</a></td>
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<td>Full-sized images:</td>
<td><a href="debconf4.ps" target="_blank">PS</a>&nbsp;|&nbsp;<a href="debconf4.png" target="_blank">PNG</a>&nbsp;|&nbsp;<a href="debconf4.svg" target="_blank">SVG</a></td>
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<p><font size="-1"><a href="aptitude4.html">Equivalent graph for aptitude</a></font></p>

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