title: Hadoop command not found in terminal
body: <p>I am trying to install Hadoop in ubuntu
  after setting these lines in the .bashrc of Hadoop installation</p>
  
  <pre><code>export HADOOP_HOME="/Desktop/hadoop-1.2.1"
  set PATH ="$PATH:$HADOOP_HOME/bin"
  export PATH
  </code></pre>
  
  <p>I wrote in the terminal </p>
  
  <pre><code>hadoop version
  </code></pre>
  
  <p>I got:</p>
  
  <pre><code>hadoop: command not found
  </code></pre>