>Remember, all you're doing
>is using your hard drive to substitute for lack of RAM.

One other thing VM does for you is that it will page directly out of 
an (fat or PowerPC) application's data fork. This means when you run 
an application with VM on, only the specific code you're using has to 
be loaded into memory, the rest of it won't be loaded until it's 
needed. With VM off, the whole application has to be loaded when you 
start the application. This is why when you do a Get Info on an 
application and look at the memory allocated to it, it will say 
something like "This application will require <n>K more if your turn 
virtual memory off." (with VM on).

Brian

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