IBM GC24-5073-2 DOS System Programmers Guide Sep71 free download

File name GC24-5073-2_DOS_System_Programmers_Guide_Sep71.pdf

File Number S360-50 Order No. GC24-5073-2 DOS Systems Reference Library DO'S System Programmer's Guide This reference publication is intended primarily for the system programmer who is involved in making decisions relating to the components of the installation's supervisor, file organization and program design. To form a single publication, this manual brings together and expands upon information from many sources. Major topics discussed are: 1. Supervisor Planning Concepts 2. Data Management 3. Program Design 4. Debugging Aids For each major section, the Preface lists the most closely related publications. For a complete list of available publications, see the IBM System/360 and System/310 Bibliography, GA22-6822. Third Edition (September 1971) This publication was formerly titled IBM System/360 Disk operating System: System Programmer's Guide. Although titles of some DOS publications (including this one) have been simplified, the change does not affect the contents of the publications. This edition replaces and obsoletes GC24-5073-1. Changes are continually made to the specifications herein; before using this publication in connection with the operation of IBM systems, consult the latest System/360 and System/370 SRL Newsletter, GN20-0360, for the editions that are applicable and current. summary of Amendments For a list of changes made in this edition, see page 3. Changes or additions to the text and illustrations are indicated by a vertical line to the left of the change. Requests for copies of IBM publications should be made to your IBM 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 I addressed to IBM Laboratory, Publications Dept., P.O. Box 24, Uithoorn, Netherlands. @ Copyright International Business Machines Corporation 1969, 1970, 1971 Summary of Amendments for GC24-S073-2 NEW FUNCTIONS