IBM GC28-6646-5 OS Supervisor Services Rel 20.1 Jun71 free download

File name GC28-6646-5_OS_Supervisor_Services_Rel_20.1_Jun71.pdf

File Number S360-36 GC28-6646-5 Systems Reference Library IBM System/360 Operating System Sup ervisor Services The title of this manual was formerly IBM System/360 Operating System Supervisor and Data Management Services. The data management section of the took has been made a separate publication, IBM System/360 operating System Data Management Services, GC26-3746. This manual describes how to use the services of the supervisor. Among the services of the supervisor are program management, task creation and management, main-storage management, checkpoint and restart, and Time Sharing Oftion. This book also describes the linkage conventions used by the operating system. Intended mainly for the assembler-language programmer, this book is a guide to using the rracro instructions described in IBM System/360 Operating System Supervisor and Data Management ~acro Instructions, GC28-6647. This book does not discuss macro instructions used for graphics, teleprocessing, optical readers, optical reader-sorters, or nagnetic character readers. These macro instructions are discussed in separate publications that are listed in the IBM System/360 Bibliography, GA22-6822. References in this took to the forms control buffer (FCB) are applicable to the 3211 printer and are for planning purposes only. References in this book to PCP or the~primary con- trol program are no longer applicable. Sixth Edition (June 1971) This publication corresponds to Release 20.1. It is a major revision of GC28-6646-4, which is now