title: What is Fiddle and what is DL?
body: <p>My Operating System is Windows 7</p>
  
  <p>in command line</p>
  
  <pre><code>c:&gt;ruby -v
  
  ruby 2.0.0p598 [i368-mingw32]
  </code></pre>
  
  <p>when I type </p>
  
  <pre><code>c:&gt;rails -v 
  
  DL is deprecated, please use Fiddle
  </code></pre>
  
  <p>Rails 4.1.8</p>