“If you visit SCO’s SCOsource page, you will find their ‘UNIX
System Development Timeline’ link now points you not to their
edited version but to the original Eric Levenez chart. Their
‘personalized’ chart has gone bye-bye.“So you can replicate, go to the SCOsource page, and click on
the link. It’s on the right, in the blue column, under ‘SCOsource
License.’ Then, for old time’s sake, go to the archived SCOsource
page on Wayback and click on the same link, and presto, chango,
their chart is before your eyes once again, in all its
incorrectness. Or for the impatient, it’s here. Get it while it’s
hot, though. That’s my advice…”