Unix. Right.

Laugh it up, but if you want an O/S with outstanding recovery characteristics, where things actually work and there are NO "known bugs" in the system utilities, OS2200 is your bunny.

I remember it with fondness every time I trip over another "feature" of our particular brand of Unix or (shudder) Linux.

And the merger of Sperry with Burroughs happened almost three decades ago. Time to start using the past tense when referring to it.