>I want to know , is there a way to get the direstory listing of a web site even if the root directory contains the file >index.html and it is not a ftp server either !
If it is your site, log on and look at the directory with your FTP program or from your shell account. If it is someone else's site, you'll have to ask them what's in it, because the browser will automatically show you the index.html file.