title: Why are 2 users logged into my mac os x when I type command 'w' on the terminal?
body: <p>Here is a <a href="https://i.stack.imgur.com/pn6XQ.png" rel="nofollow noreferrer">Desktop Screenshot</a>. I am studying UNIX and I have learned about the <code>w</code> command. When I type <code>w</code> on terminal, it is printing "2 users".</p>
  
  <p>I am the only user of my MacBook.</p>