In fact, the SUN-1 was 68000-based with a custom MMU. http://en.wikipedia.org/wiki/Sun-1 http://en.wikipedia.org/wiki/Sun-1 Though, I'd likely agree that UNIX

In fact, the SUN-1 was 68000-based with a custom MMU. http://en.wikipedia.org/wiki/Sun-1 http://en.wikipedia.org/wiki/Sun-1 Though, I'd likely agree that UNIX probably wasn't that useful on these 680x0 workstations until the SUN 3/50, 68020 1 Meg RAM.