> On January 8, 2020 at 8:56 AM Heinz Lycklama <heinz@osta.com> wrote:
> 
>     Two other major vendors competing with Xenix were:
>         1. INTERACTIVE Systems Corp. (ISC) https://en.wikipedia.org/wiki/Interactive_Systems_Corporation [founded in 1977] with PC/IX, and later IS/3, etc.
>         2. Santa Cruz Operation (SCO) https://en.wikipedia.org/wiki/Santa_Cruz_Operation [founded in 1979] with SCO UNIX, etc.
>     There were also a number of smaller players in this space.
> 
This brings back memories.  My first exposure to Unix (ca. 1985) was Interactive 386/ix.  I think I still have the floppies for it around here somewhere.  I don't know if they're still readable but if anyone wants them, send me a private email.