JargonFile/entries/broken arrow.txt
2014-04-26 15:52:28 +01:00

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broken arrow
n. [IBM] The error code displayed on line 25 of a 3270 terminal (or a PC emulating a 3270) for various kinds of protocol violations and unexpected error conditions (including connection to a down computer). On a PC, simulated with - /_ , with the two center characters overstruck. Note: to appreciate this term fully, it helps to know that broken arrow is also military jargon for an accident involving nuclear weapons....