title: Sorting down processes by memory usage
body: <p>I am able to see the list of all the processes and the memory via</p>
  
  <pre><code>ps aux 
  </code></pre>
  
  <p>and going through the VSZ and RSS column data.</p>
  
  <p>Is there a way to sort down the output of this command by the descending order on RSS value ?.</p>
  
  <p>PS : This is a newbie question as I am very much new to Unix/Linux.
  ubuntu </p>