I've saw a prank like that on a small scale when I was a kid who liked to go play some old Trek game on a line-paper-printer-terminal — in a computer lab in a s

I've saw a prank like that on a small scale when I was a kid who liked to go play some old Trek game on a line-paper-printer-terminal — in a computer lab in a state college — that was dialed into a machine in a bigger city. Around me, meanwhile, were college students typing their programs into punch cards. I remember someone pretending to trip, spilling a stack, but then confessing that they were garbage.