Definition of abend
: the unexpected failure of a piece of computer software As the average network administrator sleeps, nightmares of hardware failures and server abends compete for time against sweet dreams of what some technicians call nirvana, and others call a pipe dream—finding a network operating system that they can call secure. — Kevin Novak, Network Computing, 16 Oct. 2000
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Origin and Etymology of abend
First Known Use: 1974
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