Service Manuals, User Guides, Schematic Diagrams or docs for : IBM 360 os R20.1_Mar71 GC28-6550-9_OS_System_Programmers_Guide_Rel_20.1_Jun71

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                                                   File No. 5360-20
                                                   Order No. GC28-6550-9   OS




Systems Reference Library




IBM System/360 Operating System:
System Programmer's Guide


~his publication consists of self-contained
chapters, each of which provides information on
how to modify, extend, or implement capabilities
of the IBE system/360 operating System control
program. It is designed primarily for system
programmers responsible for maintaining,
updating, and extending the operating system
features.

Topics:

   Catalog and VTOC Maintenance
   Adding SVC Routines
   Message Routing Exit Routines
   Adding Accounting Routines
   IECDSECT, IEFJFCBN. and IEFUCBOB Macro
      Instructions
   The Must Complete Function of ENQ/DEQ
   The EXCP ~acro Instruction
   The XDAP Macro Instruction
   The Tracing Routine
   Implementing Data Set Protection
   PRESRES Volume Characteristic List
   Residency Options and Link Pack Area
   Job Queue Format
   System Macro Instructions
   Adding System Output Writer Routines
   Output separation
   System Reader, Initiator, and Writer
      Cataloged Procedures
   Writing Rollout/Rollin Appendages
   Adding a UCS Image to the System Library
   The Shared Direct Access Device Option
   The ~irne Slicing Facility
   Graphic Job Processor Procedures
   Satellite Graphic Job Processor Procedures
    Preface

    This publication consists of self-contained
    chapters, each of which provides
    information on how to modify, extend, or
    implement capabilities of the IBM
    System/360 Operating System control
    program. Although the information in one
    chapter is sometimes related to information
    in another, all chapters have been written
    as separate and complete units.   It is
    assumed that users of this publication are
    thoroughly familiar with the design of the
    operating system and its features. Each
    chapter contains its own introductory
    section and list of prerequisite
    publications. This organization has been
    used to reduce cross-referencing and to
    facilitate the addition of new chapters.




    Ninth Edition (June, 1971)

    This is a major revision of, and obsoletes, GC28-6550-8 and
    Technical Newsletter GN28-2437, GN28-2452, and GN28-2456.
    Changes to the text and changes to illustrations are
    indicated by a vertical line to the left of the change.

    This edition applies to release 20.1 of IBM System/360 Operating
    system, and to all subsequent releases until otherwise
    indicated in new editions or Technical Newsletters. Changes
    are continually made to the information herein; before using
    this publication in connection with the operation of IBM
    systems, consult the latest IBM System/360 SRL Newsletter,
    Order No. GN20-0360, for the editions that are current and
    applicable.


       Requests for copies of IBM publications should be made to
    your IBM representative or to the branch office serving your
    locality.


       A form for readers' comments is provided at the back of
    this publication.  If the form has been removed, comments may
    be addressed to IBM Corporation, Programming Systems
    Publications, Department D58, PO Box 390, Poughkeepsie, N. Y.
    12602




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