title: Create new user group in Mac OS
body: <p>With the need of create new user, I perform with the link below:</p>
  
  <p><a href="http://osxdaily.com/2007/10/29/how-to-add-a-user-from-the-os-x-command-line-works-with-leopard/" rel="nofollow noreferrer">http://osxdaily.com/2007/10/29/how-to-add-a-user-from-the-os-x-command-line-works-with-leopard/</a></p>
  
  <p>It works great.</p>
  
  <p>But how to create new group?</p>