I once ran a gang punch test to create a dummy card deck with LOT's of punches,
and spent days dirting them up and copying the artwork done on the top of a
configuration deck that contained about 900 cards so I could drop them during
an emergency boot.

I worked with another "senior" operator on a Honeywell 6080 mainframe, and
he was a snot...I got the deck from the card file and dropped it while he was in
full freak out mode with a system boot, and I think he crapped in his pants!!!

I told him not to worry, we could get them back in order if we just turned them
on end and read the binary sequence numbers, and started making little piles
of cards as I read the numbers.

I don't think he ever got over that...He always got real nervious when I was
around during system boots.

Those old mainframes were a lot of fun...We would hide inside the cabinets
during rubber band fights....