Service Manuals, User Guides, Schematic Diagrams or docs for : IBM 360 model20 C24-9006-4_260-20_CtlPgm_Mar69

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C24-9006-4_260-20_CtlPgm_Mar69


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                                           File Number S360(Mod.20)-36
                                           Form ~24-9006-4               DPS




Systems Reference Library




IBM System/360 Model 20
Disk Programming System
Control and Service Programs

This publication describes the purpose and funct ~')ns of
the Control and Serv~ce programs of the IBM System/360
Model 20 Disk Programming System (OPS).

   The publication is designed to help you use the OPS
Control and Ser~ ice programs to build, run" and main-
tain a disk-resident system.                     '

   The disk-resident system controls the compilation~
assembly. and execution of problem programs. It offers
you many advantages: a core-image library to store your
programs, batch job processing for continuous opera-
tion~ inquiry for access to specific information while
another program is runningr multiphase loading for
particularly long programs, and symbolic addressing of
I/O devices for greater flexibility.

   To benefit from this publication" you should have a
basic knowledge of the IBM System/360 Model 20, and be
familiar with either the Assembler language or RPG.

   You can find the titles and abstracts of related
publications in IBM System/360 Model 20" Bibliography.
Form A26-3565.
                                                                                      I



r-------------------------------------------------------------------------------1I
I                   '
IFifth Edition   (March~   1969)                                                  I
I                ,                 !\                                             I
IThis is a major revision Qf. pnd obsoletes C24-9006-3 and Technical Newsletters I
IN33-9045 and N33-9049 and N33-9042.                                             I
I                    ,                                                            I
I Most of the text has been rewritten and reorganized to make the publication I
leasier to understand. These improvements are not marked.                     I
I                                                                                 I
IThe technical changes incorporated in the publication relate to the delivery ofl
IIBM System/360 Model 20, Submodel 5, and to the addition of the COPSYS andl
I BACKUP programs to the DPS. These technical changes and additions are markedl
lin t:he following way: Changes to the text, and small changes to illustrations. I
lare indicated by a vertical line to the left of the change; changed 0r addedl
lillustrations are denoted by the symbol. to the left of the caption; addedl
Ipages are flagged by the symbol



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