title: Do I need "cmd /c"?
body: <p>I've seen two different ways of calling <code>icacls</code> from VBScript:</p>
  
  <pre><code>oShell.Exec("icacls ...
  </code></pre>
  
  <p>or</p>
  
  <pre><code>oShell.Exec("%COMSPEC% /c Echo Y| icacls ...
  </code></pre>
  
  <p>What's the difference?</p>