title: Issue Install Yarn globally on Mac
body: <p>I am trying to install yarn globally using npm or brew</p>
  <pre><code>sudo install --globally yarn
  </code></pre>
  <p>or <code>brew install yarn</code></p>
  <p>but I still can't use it and I face this problem</p>
  <p><a href="https://i.stack.imgur.com/U0zK0.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/U0zK0.png" alt="enter image description here" /></a></p>
  <p>Any clues what's the problem maybe solution?</p>