IBM GC28-6646-7 Supervisor Services and Macro Instructions Rel 21.7 Sep74 free download

File name GC28-6646-7_Supervisor_Services_and_Macro_Instructions_Rel_21.7_Sep74.pdf

File No. S360-36 GC28-6646-7 Systems Reference Library OS Release 21 IBM System/3S0 Operating System Supervisor Services and Macro Instructions The title of this manual was formerly IBM System/360 Operating Supervisor services. The descriptions of the supervisor macro instructions formerly found in IBM System/360 Operating system Supervisor and Data Management Macro Instructions, GC28-6647 have been added. This manual describes how to use the services of the supervisor, the macro instructions used to request these services, and the linkage conventions used by the control program to provide these services. Included in the services of the supervisor are program management, task creation and management, and main-storage management. Intended mainly for the programmer coding in assembler language, this book is a guide to using the macro instructions described. This book does not discuss macro instructions used for graphics, teleprocessing, optical readers, optical - reader-sorters, or magnetic character readers. These macro instructions are discussed in separate publications that are listed in the IBM System/360 Bibliography, GA22-6822. -. Eighth Edition (September, 1974) This edition is a publisher's revision of GC28-6646-6, and incorporates TNL GN27-1419. This edition applies to as Release 21.7 This publication now contains the descriptions of the supervisor macro instructions formerly contained in Supervisor and Data Management Macro Instructions, GC28-6647. In addition, technical changes and clarifications have been made throughout the book. The information in the book changes from time to time. Before using this manual with IBM systems, consult the latest IBM 360 SRL Newsletter, 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 Publications, Department 636, Neighborhood Road, Kingston, New York, 12401. All comments become the property of IBM.