General question

[e.stiebler]

Leon Pollak wrote:
> Many many years ago there was an RTOS called iRMX. It run on 80286/80386, was 
> a good RTOS and it also run the whole Windows 3.1 as a task with a lowest 
> priority.
Are you sure, it "ran" windows as a task ?
Not one of the timer-at-nmi tricks ?

> Does somebody knows of something similar in the today's world? (No need to say 
> that if that could be RTEMS...:-)

Probably, if you explain a little better, what you're looking for ;-)