Flash Lights Impressively
<programming, command, humour> (FLI) /FLY/ A joke assembly language
instruction first documented in the late 1970s in "The Hackers Dictionary".
The FLI instruction was frequently referred to by engineers when minicomputers
such as the DEC PDP-8, PDP-11 and some early microcomputers such as the IMSAI
and Altair had dozens of front panel lights.
"When the computer is about to do some long I/O operation, stick in a FLI so the
accountants won't think the machine has hung again."
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