Arnout Engelen - 2005-01-04

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user_id=392382

It appears the webserver at your host is running as root
(and not using something like suEXEC). This means the sf.php
script also runs as root. To do anything you can't do with
sf.php itself, you'll probably have to do by uploading a php
script that does it and executing it.

Note that your hoster practically gave you root by allowing
you to execute php files as root. Not a very good thing to do.