title: Nohup does not work in OSX
body: <p>Bash:</p>
  
  <pre><code>$nohup sleep 10 &amp;
  </code></pre>
  
  <p>but when I close the terminal:</p>
  
  <p><img src="https://i.stack.imgur.com/CkiXd.png" alt="will exit warning"></p>
  
  <p>Any ideas? ideally I want to run Mongodb in the background.</p>