TRON: The Unknown Open-Source?

jordandeamattson writes "Over on CNN there is a very interesting article about Tron, an open-source real-time operating system from Japan first developed and distributed in the early 1980s. The claim is that it is more widely distributed than Windows (in some 3 billion devices world-wide), that the developer (Ken Sakamura, a University professor) would be worth mucho if he had just charged for it, and that Microsoft/U.S. goverment used trade rules (Super 301) to block it adoption by schools in Japan. Check it out for an interesting read and a 'what might have been ...'" (Here's a previous mention of Tron from March about MontaVista's work to combine it with Linux.)