was what I cut my systems teeth on. This was back in the late 80s
was that unreliable OS that crashed all the time (much like NT
now), and if you wanted to get real work
done, you used a VAX
You haven't lived until you've done systems programming on VMS. Although if you do systems programming on NT it's vaguely similar--Dave Cutler was hired by Microsoft to design the Windows NT internals, and the structures are similar.