IBM GC28-6534-3 OS Introduction Rel 20.1 Jun71 free download

File name GC28-6534-3_OS_Introduction_Rel_20.1_Jun71.pdf

File No. 8360-20 Order No. GC28-6534-3 OS Systems Reference Library IBM System/360 Operating System Introduction This publication describes operating systems in general and introduces the IBM System/360 Operating System. The publication is intended for anyone interested in the system/360 Operating System, whether or not he is familiar with other operating systems. It describes the purpose, design objectives, organization, function, and application of the System/360 Operating system, I and how it was influenced by previous systems; it also describes System/360 compatibility with System/370. The operating system consists of programming aids and a control program that schedules and supervises the processing of data. The system is designed for a broad range of applications, including teleprocessing and multiprocessing. It helps a system/360 data processing installation increase productivity by using its resources more effectively. Fourth Edition (June, 1971) This is a revision of, and obsoletes, GC28-6534-2, and Technical Newsletters GN28-2450 and GN28-2458. It describes only the MFT and MVT configurations of the control program. Changes to the text and small changes to illustrations are indicated by a vertical line to the left of the change. This publication contains a means of referencing other publications by the use of superscript notation. Superscripts refer to the numbered publications listed in -Part 4, Bibliography. This edition corresponds to Release 20.i, 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 specifications herein; before using this publication in connection with the operation of IBM systems, consult the latest I~l System/360 SRL Newsletter, Order No. GN20-0360, for the editions that are applicable and current. Requests for "copies of IBM publications should be made to your I~l representative or to the IBM 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 058, PO Box 390, poughkeepsie, N. Y. 12602 @Copyright International Business Machines Corporation 1964,1966,1969,1971 Preface This publication introduces you to the IBM