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<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V2.0//EN" "http://forrest.apache.org/dtd/document-v20.dtd">
<document>
<header>
<title>Overview</title>
</header>
<body>
<p>
The Hadoop Common Documentation describes the common utilities and libraries that support the other Hadoop subprojects.
</p>
<p>
The Hadoop Common Documentation also includes the information you need to get started using Hadoop.
Begin with the Hadoop <a href="single_node_setup.html">Single Node Setup</a> which shows you how to set up a single-node Hadoop installation.
Then move on to the Hadoop <a href="cluster_setup.html">Cluster Setup</a> to learn how to set up a multi-node Hadoop installation.
</p>
<p>
Cluster environments commonly work in tandem with MapReduce applications and distributed file systems.
For information about MapReduce see the
<a href="http://hadoop.apache.org/mapreduce/docs/current/index.html">MapReduce Documentation</a>.
For information about the Hadoop Distributed File System (HDFS) see the
<a href="http://hadoop.apache.org/hdfs/docs/current/index.html">HDFS Documentation</a>.
</p>
<p>
If you have more questions, you can ask on the <a href="ext:lists">Hadoop Common Mailing Lists</a> or browse the <a href="ext:archive">Mailing List Archives</a>.
</p>
</body>
</document>