What are the technical differences between what MS calls a server OS (like w2k server or w2k3 server) and a client OS like Win2k Pro or XP Pro? I know MS divide products into separate categories ...

The servers in a client-server model run network operating system software, which manages user authentication and resource access.

Learn the main differences between client-server and peer-to-peer architectures in software development, and how to choose the best one for your project.

Improve webpage loading times with the right rendering method. Understand the difference between client-side and server-side rendering for optimal user experience.

With OS X Lion Server, Apple is blurring the distinction between client and server operating systems. To John Welch, that's not a bad thing.