IBM GC26-3746-0 Data Management Services Rel20 Jan71 free download

File name GC26-3746-0_Data_Management_Services_Rel20_Jan71.pdf

File Number S360-30 OS Order Number GC26-3746-0 Systems Reference Library IBM System/360 Operating System Data Managenlent Services The material in this manual was formerly in Section II of IBM System/360 Operating System Supervisor and Data Management Services, Order Number GC28-6646. That manual is now titled IBM System/360 Operating System Supervisor Services. This manual describes the input/output facilities of the IBM System/360 Operating System. It contains information on record formats, data set organization, access methods, direct access device characteristics, data set disposition, and space allocation. Intended mainly for the assembler-language programmer, this book is a guide to using the macro instructions described in IBM S stern 360 0 eratin S stern Su ervisor and Data Management Macro Instructions, Order Number GC28-66 7. This book does not discuss macro lnstructions used for graph~cs, teleprocessing, optical readers, optical reader- sorters, or magnetic character readers. These macro instruc- tions are discussed in separate publications that are listed in the IBM System/360 Bibliography, Order Number GA22-6822. This book contains information about the time sharing option (TSO) , which is not yet available. This information should be used only for planning purposes until the time sharing option becomes available. First Edition (January 1971) This publication corresponds to Release 20 of the IBM system/360 Operating, System. It consists , ' of what used to be section II of the manual IBM System/360 Operating System supervisor and Data Management Services, Order Number GC28-6646.The changes to the text and to the illustrations are indicated by a vertical line in the margin to the left of the change. Changes have been made to the text because data management now translates data from American standa~d Code for Information Interchange (ASCII) format on magnetic tape to EBCDIC,format within the operating system and back and because of the addition of the time sharing option (TSO) to the MVT version of the IBM System/360 Operating System. There are other technical changes throughout the book. Information in this book changes from time to time. Before using this manual with IBM systems, consult the latest IBM 360SRL Newsletter, Order Number 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 IBM branch office serving your locality. A form is provided at the back of this publication for reader's comments. If the form has been removed, comments may be addressed to IBM Corporation, Programming publicat.ions, Department D78, San Jose, California 95114. All comments become the property of IBM. ~copyright International Business Machines Corporation 1971 Preface Part