scream test
When you don't know if something is still being used so you take it away and see if anybody screams.
Carrie: Do you know if anyone even uses this network folder anymore?
Scot: No fucking clue, I'll give it a scream test. DELETE
Matt: (the next day): WTF happened to my porn folder!
Scot: No fucking clue, I'll give it a scream test. DELETE
Matt: (the next day): WTF happened to my porn folder!