How was nalimov created? Was it formulated over thousands of hours by thousands of people? Is it one program? How much memory does it take to download? How is it organized? If anyone could answer any of these questions on this confusing topic it would be much appreciated. Thank you.

Did you check here for info?:

http://en.wikipedia.org/wiki/Nalimov_tablebase

You can find one online here:

http://www.k4it.de/index.php?topic=egtb&lang=en

thank you, yes i also know a different one, but in the interest of chess.com i will not post it