title: How to send ctrl+z
body: <p>How do I convert <kbd>ctrl</kbd>+<kbd>z</kbd> to a string?</p>
  
  <p>I am sending this as an AT COMMAND to an attached device to this computer.</p>
  
  <p>Basically, I just to put some chars in a string and <kbd>ctrl</kbd>+<kbd>z</kbd> in that string as well.</p>