IBM Y24-5087-1 DOS Logical IOCS Volume 2 Program Logic Oct68 free download

File name Y24-5087-1_DOS_Logical_IOCS_Volume_2_Program_Logic_Oct68.pdf

File Number S360-30 (DOS) Form Y24-5087-1 Program Logic IBM System/360 Disk Operating System Logical 10 CS Volume 2: Unit Record, Magnetic Tape and Device Independent Piles Program Numbers CDMOD 360N-IO-453 CPMOD 360N-CL-453 DIMOD 360N-CL-457 DTPCN 360N-CL-453 MRMOD 360N-IO-477 MTMOD 360N-IO-456 ORMOD 360N-IO-478 PRMOD 360N-CL-453 PTMOD 360N-IO-458 This reference publication is one of four Program Logic Manuals that describe the internal logic of the Logical IOCS (Input/Output Control System) programs for the IBM System/360 Disk Operating System. The four related Program Logic Manuals are: Volume 1: Introduction, Form Y24-5020. Volume 2: unit Record, Magnetic Tape, and Device Independent Files, Form Y24-5087. Volume 3: Sequential and Direct Access DASD Files, Form Y24-5088. Volume 4: Indexed Sequential File Management System, Form Y24-5089. This manual is intended for persons involved in program maintenance and by system programmers who dl.e altering the program design. Program logic information is not necessary for the operation of the programs described. Therefore, distribution is limited to those with maintenance and alteration responsibilities. Effective use of this publication requires an understanding of IBM System/360 operation and the Disk Operating System Assembler language and its associated macro definition language. Reference publications for this information are listed in the Preface. For the titles and abstracts of other related publications, refer to the IBM System/360 Bibliography, Form A22-6822. Restricted Distribution RESTRICTED DISTRIBUTION: This publication is intended primarily for use by IBM personnel involved in program design and maintenance. It may not be made available to others without approval of local IBM management. seco!!!L~dition (October 1968) This edition applies to Release 19 of IBM System/360 Disk Operating System and to all subsequent releases until otherwise indicated in new editions or Technical Newsletters. Changes are continually made to the specifications herein; before using this publication in connection with the operation of IBM systems, consult the latest System/360 SRL Newsletter, Form N20-0360, for the editions that are applicable and current. This edition, Y2q-5087-1, is a major reV1S1on of, and obsoletes Y2Q-5087-0 and Technical Newsletters Y2Q-5098 and Y2Q-510Q. Summary of Amendments In addition to consolidating information in the obsoleted publications, this manual incorporates documentation describing changes made to Version 3 Disk Operating System Logical IOCS programs by Release 19 (Asynchronous Processing)