title: how can I find my node.js files in linux, /usr/bin/node is not working
body: <p>I want to find where is my node.js in ubuntu linux system, 
  the command:  <em>which node</em> gives me the path of  <em>/usr/bin/node</em>, but when I go to that folder, there is no node folder and files.</p>
  
  <p>can somebody help me?</p>
  
  <p>I installed the node.js by this: </p>
  
  <pre><code>sudo apt-get install python-software-properties python g++ make
  sudo add-apt-repository ppa:chris-lea/node.js
  sudo apt-get update
  sudo apt-get install nodejs
  </code></pre>