Text preview for : GC28-6534-3_OS_Introduction_Rel_20.1_Jun71.pdf part of IBM GC28-6534-3 OS Introduction Rel 20.1 Jun71 IBM 360 os R20.1_Mar71 GC28-6534-3_OS_Introduction_Rel_20.1_Jun71.pdf



Back to : GC28-6534-3_OS_Introducti | Home

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