A nice article from Jon Hall is on top of the blog
http://www.linuxpromagazine.com/Online/Blogs/Paw-Prints-Writings-of-the-maddog/Rest-in-Peace-Kenneth-Harry-Olsen
along with many other replies about PDP-* systems, VMS, etc.
My first HIGHtech job (1985) was hanging tapes and keeping dumb terminals alive and connected to four
VAX 750/780's running (not VMS but) BSD4 unix (before NFS, before NIS)
for a robotics shop in Billerica called Automatix. csh% a.out
hello, world !