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<h1><span class="section-number">7. </span>Host specification<a class="headerlink" href="#host-specification" title="Permalink to this heading"></a></h1>
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<p>PRRTE identifies hosts on which to launch processes by:</p>
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<ol class="arabic simple">
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<li><p>A Resource Manager (RM) telling PRRTE which hosts to use</p></li>
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<li><p>The user providing a hostfile (also sometimes called a “machine
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file”)</p></li>
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<li><p>The user providing a list of hosts on the command line</p></li>
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<p>The sections below describe each of these in more detail.</p>
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<li class="toctree-l1"><a class="reference internal" href="rm.html">7.1. Resource Manager-Provided Hosts</a></li>
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<li class="toctree-l1"><a class="reference internal" href="hostfiles.html">7.2. Hostfiles</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cli.html">7.3. Listing Hosts on the Command Line</a></li>
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<li class="toctree-l1"><a class="reference internal" href="relative-indexing.html">7.4. Relative host indexing</a></li>
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