IBM C24-3427-3 Disk Operating System Data Management Concepts Feb68 free download

File name C24-3427-3_Disk_Operating_System_Data_Management_Concepts_Feb68.pdf

File Number S360-30 Form C24-3427-3 DOS Systems Reference Library IBM System/360 Disk Operating System Data Management Concepts This reference publication contains a discussion of the data management facilities inherent in the Disk Operating System. It describes the file formats, labeli.ng procedures, and access methods available with the system. There is also a general section describing the design of the direct-access storage devices supported. The following publications are recommended as prerequisite re!adings: 1. IBM System/360 Principles of Operation, Form A22-6821. 2. IBM Systeml:360 Disk Operating System, System Control and System Service Programs, Form C24-5036. Other related publications are: 1. IBM Systeml360 Disk Operating System Supervisor and Input/Output Macros, Form C24-5037. 2. IBM Systernl360 Disk and Tape Operating Systems Assembler S~cifications, Form C24-3414. 3. Glossary for Information Processing, Form C20-8089. For a list of associated Systern/360 publications, refer to IBM System/360 Bibliography, Form A22-6822. Major Revision (February 1968) This edition, Form C24-3427-3, is a major revision of, and obsoletes Form C24-3427-1 and Form C24-3427-2. It also obsoletes the following Technical Newsletters: N24-5122, N24-5169, N24-5197, N24-5276, and N24-5291. Changes are designated in three ways: 1. A vertical line appears to the left of affected text where only part of the page has been changed. 2. A dot (.) appears to the left of the page number where the complete page should be reviewed. 3. A dot (.) appears to the left of the title of each figure that has been changed. Specifications contained herein are subject to change from time to time. Any such change will be reported in subsequent revisions or TeChnical Newsletters. 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 readers' comments. If the form has been removed, comments may be addressed to IBM Corporation, Programming Publications, Endicott, New York 13760. C International Business Machines Corporation 1965 Form C24-3427-3, Page modified by TNL N24-5349, May 6, 68 CONTENTS DATA MANAGEMENT CONCEPTS . . .