title: How to create rails alias command
body: <p>I have seen some developers used alias command for there projects. Like <code>rs</code> to run <code>rails server</code>.</p>
  
  <ol>
  <li>How to create that <code>alias rs="rails server"</code>? </li>
  <li>where to config that? </li>
  <li>Is it works for window? </li>
  <li>Is need any specific ruby or rails version?</li>
  </ol>