title: UNIX syntax for grep command
body: <p>For the file <code>james</code>, running this command:</p>
  
  <pre><code>cat james | grep I'm,
  </code></pre>
  
  <p>I get:</p>
  
  <pre><code>&gt;
  &gt;
  &gt;
  .
  .
  </code></pre>
  
  <p>probably because of the '</p>