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File Number 1401-24
Form C24-3146-3
Systems Reference Library
COBOL (on Tape) Operating Procedures
IBM 1401
Program Number 1401-CB-070
This publication describes the operating procedures
used to assemble a machine-language program from a
source program written in 1401 COBOL language. It also
describes the operating procedures for producing and
modifying the COBOL tapes, the phases that make up
the COBOL processor program, and lists diagnostic and
error messages in detail.
Fourth Edition
This is a major revision of, and obsoletes C24-3146-1, C24-3146-2, and Technical
Newsletters N24-0244, N21-0032, and N21-004B. The section headed Placing Prescan
Diagnostics on the COBOL Processor System Tape has been deleted. Changes are
indicated by a vertical line at the left of the affected text.
Significant changes or additions to the specifications contained in this publication
will be reported in subsequent revisions or Technical Newsletters.
Copies of this and other IBM publications can be obtained through IBM Branch Offices.
A form has been provided at the back of this publication for reader's comments. If the
form has been detached, comments may be directed to IBM Pro gramming Publications,
Rochester, Minnesota, 55901.