> RAM doubler doesn't actually double your RAM.  It just uses hard drive 
> space as ram.
> You can already do that with the Memory control panel.

Not quite true. RD9, at least, also can compress memory, and RD has always
been able to steal RAM allocated to other applications that aren't using it.
After all these fail, then it falls back on hard disk virtual memory, but
even that isn't quite the same:

> The Apple version is slower, but also free.
> RAM Doubler is slightly faster.

... in addition to being faster, RD does not require a baseline VM allocation
on the disk, i.e. Apple VM will require 1MB of the hard disk per MB of real
RAM, plus an additional 1MB, to enable VM at its lowest setting and RD does
not. On my 1400cs/G3+333 with 60MB physical RAM, Apple VM required 61MB of
hard disk space just to give me the minimal VM allocation of 1MB (in other
words, just simply to turn it on with -no- extra VM!) RD has no such
restriction, and I was able to instantly reclaim that space (a boon on smaller
hard disks) in addition to its faster paging algorithm.

> Nothing will come close to actual RAM.

Fully agreed. :)

-- 
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