Back in the days of the pdp11/dec10 product line cards made like this were the schwag you got at DECUS meetings with the instruction set on them. I've still got

Back in the days of the pdp11/dec10 product line cards made like this were the schwag you got at DECUS meetings with the instruction set on them. I've still got one from systime, a British value add reseller, and a pdp11 one from digital. Then emacs and vi and shell commands for Unix. Then pdf files started to appear to print at home. The big problem for Europeans back then: assumed US/legal paper size.