http://en.wikipedia.org/wiki/EPICS The wikipedia page on EPICS is rather short on content.
With all the information that was shared, I certainly could update it.
One key piece of information I am still missing though:
did EPICS grow on his own (i.e. was best control system among many)
or did the DOE specifically ordered top managers at its facilities to reduce development cost through code-reuse?
Why did the development pattern (everyone develops everything) change in the early 1990's?
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Emmanuel