Linked by James Ingraham on Mon 24th Jul 2006 11:15 UTC
QNX In today's entry in our Alternative OS Contest, James Ingraham takes a close look at QNX, the operating system based on the Neutrino microkernel. He concludes that "While you can probably find solutions for just about all of your desktop computing needs using the QNX RTOS, that is not QNX's strong suit. Its focus is real-time, embedded, and mission critical applications." Read on for the whole article.
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"If the Windows box goes mad and one of the robots chops the head out of a worker nearby, then that could be considered life critical ;) "

Can't happen. The rules regarding industrial machinery require physical barriers. If there is a way through the barrier (e.g. a gate in the fence around the machine), when opened it must remove all motive power through a double-redundant, safety-rated hardware circuit. The software can go as screwy as it wants, and nobody gets hurt. If a guy jumps the fence or comes up with some other clever way to defeat the safety circuit, he's as likely to be killed by a working system as a non-working one. He'd better HOPE for a blue-screen at that point. :-)

Incidentaly, I like the fact that I can't kill anyone with my job. I have no desire to write software for medical devices, jet planes, or nuclear power plants.

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