title: jenkins post build step and action - what is the difference
body: <p>Might sound like a very basic question - but I am unable to find any article which explains why Jenkins provides a post build step as well as action. </p>
  
  <p>In Jenkins - I do see that the options are different in post build step vs. action, but </p>
  
  <ul>
  <li>what is the order of execution?  </li>
  <li>When should we use which option?</li>
  <li>What are the best practices?</li>
  </ul>