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GH20-1028-4
Customer Information
Control System (CICS)
Program Product General Information Manual
Program Numbers:
DOS-ENTRY 5736-XX6
DOS-STANDARD 5736-XX7
OS-STANDARD V2 5734-XX7
The IBM Customer Information Control System (CICS)
is a transaction-oriented, multiapplication data base/data
communication interface between a System/360 or
System/370 operating system and user-written application
programs. Applicable to most online systems, eICS
provides many of the facilities necessary for standard
terminal applications: message switching, inquiry, data
collection, order entry, and conversational data entry.
CICS is available in three systems - two for DOS users
and one for OS users. Because the two CICS/DOS systems
are compatible with each other and with the CICS/OS
system, it is possible to start with a small DOS data basel
data communication configuration and move up through
DOS into OS.
This manual is designed for persons interested in a general
description of CICS and its data base/data communication
capabilities.
This publication is a general description of three IBM program
products: CICS/DOS-ENTRY, CICS/DOS-STANDARD, and
CICS/OS-STANDARD V2. It provides customer executives, system
administrators, system analysts, system programmers, application
programmers, and terminal operators with a fundamental
understanding of CICS. For a more detailed description of CICS,
see the following IBM publications:
Application Programmer's Reference Manual (SH20-1047)
System Programmer's Reference Manual (SH20-1043)
Terminal Operator's Guide (SH20-1044)
Operations Guide (CICS/DOS) (SH20-1034)
Operations Guide (CICS/OS) (SH20-10 48)
Logic Manual (CICS/DOS-ENTRY) (LY20-0712)
Logic Manual (CICS/DOS-STANDARD) (LY20-0713)
Logic Manual (CICS/OS-STANDARD V2) (LY20-0714)
The words "transaction" and "task" have the same connotation
in CICS and are used interchangeably throughout this publication;
the processing of a transaction may involve the execution of
one or more "programs".
All references to CICS/OS and CICS/OS-STANDARD in this
publication are references to the CICS/OS-STANDARD V2 system.
Fifth Edition (September 1973)
This edition is a major revision obsoleting GH20-1028-3, incorporating changes released in the
following Technical Newsletters: GN2D-2984 (dated January 5, 1973)
GN20-9013 (dated April 11, 1973).
This edition applies to Version 1, Modification Levell, of the CICSjDOS-ENTRY (5736-XX6) and
CICSjDOS-STANDARD (5736-XX7) program products and to Version 2, Modification Level 3, of the
CICSjOS-STANDARD (5734-XX7) program product; it also applies to all subsequent versions and
modifications unless otherwise indicated in new editions or Technical Newsletters.
Changes are continually made to the information herein. Therefore, before using this publication,
consult the latest Systemj360 and Systemj370 SRL Newsletter (GN20-0360) for the editions that
are applicable and current.
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 has been provided at the back of this publication. If this form has
been removed, address comments to: IBM Corporation, Department J04, 1501 California Avenue,
Palo Alto, California 94304. Comments become the property of IBM.