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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