>What Joseph is saying is right. I do not know about Windows but I do
>know about a number of other operating systems, and from my [very simple]
>observations Windows seems to me to behave like most operating systems.

Hi Michel. I will do some research into this an get back to you.

>If Windows works in the same way as the operating systems I know,
>Joseph's test proves the point and explains why you get "file in use".

It turns out that we are using different file servers. I am using Netware 4.10 and he is using NT Server. In my case, both files are locked and can not be renamed or deleted while someone is running them (or has them in memory).

I will get back to you...