DECsystem-10 COBOL Programmer's Reference Manual

This manual provides a detailed technical reference for programmers using COBOL on the DECsystem-10. It covers the four major divisions of a COBOL program (Identification, Environment, Data, and Procedure), I/O processing, the COBOL library, source library maintenance, and various utilities such as SORT, the report generator (COBRG), indexed sequential file maintenance (ISAM), and the COBOL debugger (COBDDT). It is intended for experienced programmers who already have a baseline knowledge of the COBOL language.