3 definitions found From The Collaborative International Dictionary of English v.0.48 [gcide]: copybook \copybook\ n. a book containing models of good penmanship; used in teaching penmanship. [WordNet 1.5] copycat From WordNet (r) 2.0 [wn]: copybook n : a book containing models of good penmanship; used in teaching penmanship From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]: copybook(Or "copy member", "copy module") A common piece of {source code} designed to be copied into many source programs, used mainly in {IBM} {DOS} {mainframe} programming. In {mainframe} {DOS} (DOS/VS, DOS/{VSE}, etc.), the copybook was stored as a "book" in a {source} library. A library was comprised of "books", prefixed with a letter designating the language, e.g., A.name for Assembler, C.name for Cobol, etc., because {DOS} didn't support multiple libraries, private libraries, or anything. This term is commonly used by {COBOL} programmers but is supported by most {mainframe} languages. The {IBM} {OS} series did not use the term "copybook", instead it referred to such files as "libraries" implemented as "partitioned data sets" or {PDS}. Copybooks are functionally equivalent to {C} and {C++} {include} files. (1997-07-31)
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