At 01:20 AM 1/26/2023, John Cowan wrote: I have a dozen or so Teraks (a PDP-11/03 based system) as well as many floppies and other inherited items and notebooks from one of the Terak founders. This may seem like a lot but there's another guy who might still have a larger collection. Mini-Unix is described here: http://www.tavi.co.uk/unixhistory/mini-unix.html Sixth edition, no MMU. The Bell memo there is dated January 1977. There was a Mini-Unix for the Terak described here in May 1979 but I don't think I have a copy. See page 14... https://conservancy.umn.edu/bitstream/handle/11299/159028/UCC_Special%20_Is… Terak floppies are described here: http://www.60bits.net/msu/mycomp/terak/termedia.htm A memo there says they got their copy in April 1980. There's no indication that this Mini-Unix can *use* the Terak's mono bitmapped display, short of writing your own routines. Pinning "first" on computers is always a tricky process. - John