title: Kill all processes launched inside an xterm when exit
body: <p>I'm using Cygwin to start some servers.</p>
  
  <p>Each server is launched inside an xterm with a bunch of command like this one:<br>
  <code>xterm -e $my_cmd /C  &amp;</code></p>
  
  <p>Is there an easy way to kill all launched children (xterm and their running commands) in a row ?  </p>
  
  <p>I want also to be able kill a particular launched command when I close its parent xterm.</p>
  
  <p>Someone knows how to perform that ?</p>