Sun&#x27;s TeamWare [1] was probably the first real distributed version control system. It worked on top of SCCS. Larry McBoy, BitKeeper&#x27;s creator, was involved in its development. I believe BitKeeper also uses parts of SCCS internally.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Sun_WorkShop_TeamWare" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Sun_WorkShop_TeamWare</a>