/me wonders how quick this search was.
anyway, while searching for RCS on google, i found this link which say, 
RCS design was an improvement from its predecessor Source Code Control
+ System (SCCS)

[download]
I guess SCCS was the grand-daddy or RCS...
monoxide
I am undecided...

In reply to Re^4: What's your prefered revision control system? by monoxide
in thread What's your prefered revision control system? by theonetwo

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