What OS are you using

>Hi.
>I need to know(list) all the opened files
>by windows and applications (low level, I think).
>Is there a windows command or I need to use an
>Utility?
>
>My problem is that I'm invoking Winzip from inside
>and application but I think it is pointing to the
>wrong file (same name but different folder).
>I need to see the name and location of the file
>opened by Winzip.
>
>Thanks in advance.