Just been a-reading this interesting thread.  

I'm wondering if it's possible to do the opposite - i.e. tell MPE
that the file/page is no longer required in memory.   

For example, I might have a program that has a very large data stack, but it only runs very occasionally.  Once the program has run, I don't need (or want) to wait for MPE to decide that any pages allocated to memory can be swapped out !

I suspect this is possible for files you're updating yourself thru
an FCONTROL instrinsic,  but what about files loaded automatically by MPE ?
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