[Robert A Cook PE]

You may be thinking of the early on (DOS 3, 4, 5, 6) methods of the making a single compressed file that mimic a (visible) hard drive.

Back when a 20 Meg hard drive was "BIG."

[Dominic Harr]

1. Index.dat is intended to be a permanent, perpetual list.

2. It is *not* for caching.

If you can't put 2+2 together here, then logic just might not be your strong suit.

And if you can't recognize the type of person that would defend this kind of behavior, then judgement may not be either.