On 12 Jun 2009 at 15:24, Liam Proven wrote:
  The almost-unheard-of Japanese iTRON OS runs on
hundreds of millions,
 maybe billions, of consumer electronics devices that most people never
 realise /have/ an OS on them. It may be the most widespread OS in the
 world. 
http://en.wikipedia.org/wiki/TRON_Project 
I remember when the TRON project was announced.  At the time I was
most interested in the CTRON variant, but didn't give it a snowball's
chance in Hades of survivng, given the "NIH" tendency in the software
world then.
It's good to see that some aspects of TRON have survived.  It was a
very ambitious undertaking.
--Chuck