Well I checked out Kirk’s site, and found out that he has a DVD to go along with the old 4
disc CD-ROM sets:
In the 20 years since the release of the CSRG CD-ROM Set (1998-2018) I have continued
collecting old software which I have put together in two historic collections. The first
is various historic UNIX distributions not from Berkeley. The second is programs and other
operating systems that shipped on or influenced BSD. The distribution is contained on a
single DVD that contains all the original content from the original 4-CD-ROM distribution,
these two collections of historic software, and a copy of John Baldwin's conversion
of the SCCS database contained on the original disk4 to a Subversion repository. Unlike
most write-once technology which remains readable for less than ten years, this DVD is
written using M-Disc technology which should last for centuries. The price for the DVD is
$149.00.
I know the $150 USD may sound pricy but the historic2 archive does contain a couple
additional copies of Mach!
And a bunch of other stuff in there as well, it’s gigabytes of stuff to go through.