• Login as a user.
• Delete the user while still logged in
• Run command

You should get a message “you don’t exist, go away”

Not sure if that one is still around but I know one person who ran a script with “deluser $USER” and it ate root resulting in fun messages like that

the famous “This incident will be reported” error was briefly removed last year before being replaced with a less ominous version.

score 10 or sacrifice child is actually just a MtG card, how did that get in there

How could you not include the classic printer lp0 on fire!

I actually got that one around 2010 on Ubuntu. The printer wasn’t actually on fire. If I recall it was caused by the network attached printer losing connection during a job