Wormhole

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The Jargon File Parts of this article are based on the Jargon File, v. 4.4.7, a public domain document of hacker jargon.

wormhole: /werm´hohl/ n. obs.

[from the wormhole singularities hypothesized in some versions of General Relativity theory]

1. n., obs. A location in a monitor which contains the address of a routine, with the specific intent of making it easy to substitute a different routine. This term is now obsolescent; modern operating systems use clusters of wormholes extensively (for modularization of I/O handling in particular, as in the Unix device-driver organization) but the preferred techspeak for these clusters is `device tables', `jump tables' or `capability tables'.
2. [Amateur Packet Radio] A network path using a commercial satellite link to join two or more amateur VHF networks. So called because traffic routed through a wormhole leaves and re-enters the amateur network over great distances with usually little clue in the message routing header as to how it got from one relay to the other. Compare gopher hole (sense 2).

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