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Computing (FOLDOC) dictionary (also found in English - Vietnamese, English - English (Wordnet), )
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1. operating system (From BASIC's "CHAIN" statement) To
pass control to a child or successor without going through the
The state of the parent program is lost and there is no
returning to it. Though this facility used to be common on
memory-limited microcomputers and is still widely supported
for backward compatibility, the jargon usage is
semi-obsolescent; in particular, Unix calls this exec.
Compare with the more modern "subshell".
2. programming A series of linked data areas within an
is the process of repeatedly running through the linked data
areas searching for one which is of interest. The implication
is that there are many links in the chain.