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Legacy system
Noun
Word Frequency:
0.1
Definitions
1.
Noun
An old computer system or application program that continues to be used because the user (typically an organization) does not want to replace or redesign it.
Synonyms
legacy code
zombie software
backward compatibility
zombie system
zombie program
shelfware
embedded system
systems language
backwards compatibility
retrocomputing
graceful degradation
software archaeology
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