title: How to create a custom percent (%) shortcut like %appdata%?
body: <p>Is it possible? 
  If so, how? 
  Can it be done in <code>CMD</code>?</p>
  
  <p>Existing shortcuts examples : </p>
  
  <pre><code>%appdata%
  %temp%
  %userprofile%
  </code></pre>