Computerworld - https://www.computerworld.com/article/3269416/data-center/at-least-they-didnt-just-unplug-it-to-plug-in-the-vacuum.html#tk.rss_all
It’s the late 1960s, and refrigerator-size minicomputers have just started arriving at university computing centers across the U.S., says a pilot fish who has just been bitten by the programming bug.
“I tried to get as much hands-on time as possible,” fish says. “The ‘big’ time-shared PDP-8 was only available standalone from about midnight to the start of classes the next morning, so that’s when I could use it and try my luck at writing more than simple BASIC programs.
“Being a college student, the hours were not a problem. What’s sleep anyway?”
The problem, it turns out, is that at 6 am.