Defunct (no longer in use or active) may refer to:
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''Defunct'' (video game), 2014
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Zombie process or defunct process, in Unix-like operating systems
See also
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:Former entities
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End-of-life product
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Obsolescence
Obsolescence is the state of being which occurs when an object, service, or practice is no longer maintained or required even though it may still be in good working order. It usually happens when something that is more efficient or less risky r ...
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