IRIX was actually System V (with BSD extensions) - https://en.wikipedia.org/wiki/IRIX https://en.wikipedia.org/wiki/IRIX. But I agree, it was very nice and I r

IRIX was actually System V (with BSD extensions) - https://en.wikipedia.org/wiki/IRIX https://en.wikipedia.org/wiki/IRIX. But I agree, it was very nice and I remember it fondly.