Similar to PC_LOAD_LETTER

Jargon File

April Fools' Day Request for Comments

Answer to the Ultimate Question of Life, the Universe, and Everything

Year 10,000 problem

RFC 2322

IP over Avian Carriers

Dilbert

Semaphore Flag Signaling System

Null device

Hyper Text Coffee Pot Control Protocol

Bogosort

Error message

Abort, Retry, Fail?

Guru Meditation

HTTP 403

HTTP 404

HTTP 451

HTTP 503

Linux kernel oops

Not a typewriter

Bad command or file name

Internet meme