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core
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core /n./ Main storage or RAM. Dates from the days of
ferrite-core memory; now archaic as techspeak most places outside
IBM, but also still used in the Unix community and by old-time
hackers or those who would sound like them. Some derived idioms
are quite current; `in core', for example, means `in memory'
(as opposed to `on disk'), and both core dump and the `core
image' or `core file' produced by one are terms in favor. Some
varieties of Commonwealth hackish prefer store.
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