You know what's fun? Making claims on the internet about how something or someone was first with something or someone - if you catch my drift. You know what's also a lot of fun? QNX, the microkernel realtime operating system that powers just about any possible piece of kit you can think of. As it turns out, QNX was the first operating system to support a hard drive on a PC. On a related note, a new pre-release has been released of QNX 6.5.0.