title: How to resolve "Specify the 'raw' format explicitly to remove the restrictions." in qemu?
body: <p>I am trying to run helloos.img on MACBOOK Pro, and even program works fine, it is showing </p>
  
  <pre><code>Specify the 'raw' format explicitly to remove the restrictions.
  </code></pre>
  
  <p>How to deal with this? Is this important?<a href="https://i.stack.imgur.com/Sa2jT.png" rel="noreferrer"><img src="https://i.stack.imgur.com/Sa2jT.png" alt="enter image description here"></a></p>