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Comment: Re:640k isn't enough for everybody (Score 1) 522

That's how it used to be.

And it's how it still is, except the memory manager handles it all transparently for you in the background, so you can simply mmap() in a file, which can even exceed your total physical RAM many times over, and the system takes care of reading / writing & mapping the pages to / from disk as necessary. All that's changed is transparent support for it in hardware and the amount of memory involved.

You should never bet against anything in science at odds of more than about 10^12 to 1. -- Ernest Rutherford