It gives very short shrift to commercial source control systems generally. Two (VSS, and SCCS --- the latter part of the original AT&T Unix distributions, on the same closed-source terms) get mentioned in passing, but neither gets treated as a milestone.
That would include BitKeeper --- copies were available for a few years at no cost to Linux kernel developers, but only on increasingly restrictive terms, which McVoy ultimately wound up revoking altogether. IIRC, Linus released the first embryonic version of git within weeks after McVoy withdrew the free-as-in-beer version of BitKeeper.
That would include BitKeeper --- copies were available for a few years at no cost to Linux kernel developers, but only on increasingly restrictive terms, which McVoy ultimately wound up revoking altogether. IIRC, Linus released the first embryonic version of git within weeks after McVoy withdrew the free-as-in-beer version of BitKeeper.