6
Yes, only the text as showed. If you look around on your site, there should be plenty examples, which you can copy.
In principle, every directory should have this file.
You can also add this to your .htaccess:
le="color: #000000"><?php Options All -Indexes
Read also some threads and articles for advice about
hacked sites.
If files have been altered, change all your administration passwords on all levels (XOOPS admin, MySQL, site, FTP, ...).