memory /swap question: possibly also tmpfs question

[David Csercsics]

>So how do I use tmpfs? I had it configured in the kernel and it mounted,
>but df showed it always at 0 pernent. this still seems strange to me too,
>because linux never used to use every scrap of my memory like this. That's
>why you can usually run linux with fairly low memory as compared to
>windows for instance.
>at any rate, what else do i have to do to make tmpfs work?

I don't know I just have it mounted and taht's it.