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CICS

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May 1, 2024 Updated June 21, 2025 16 minute read
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Navigating the World of CICS: A Comprehensive Guide

Customer Information Control System, universally known as CICS, is a foundational technology in the world of enterprise computing. At its core, CICS is a transaction processing system that runs primarily on IBM Z (mainframe) operating systems. It's designed to manage and execute a high volume of online transactions concurrently, ensuring speed, reliability, and security for mission-critical applications. Think of it as the unseen engine powering many of the daily interactions you might take for granted, from ATM withdrawals and credit card payments to airline reservations and insurance claims.

Path to CICS

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We've curated seven courses to help you on your path to CICS. Use these to develop your skills, build background knowledge, and put what you learn to practice.
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Reading list

We've selected four books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in CICS.
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CICS Transaction Server from Start to Finish
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Provides a comprehensive guide to CICS development. It covers topics such as CICS architecture, programming techniques, and debugging. It valuable resource for CICS developers who want to learn more about the system.
CICS Transaction Server from Start to Finish
Paperback
$$$
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Designing and Programming CICS Applications
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Provides a comprehensive guide to CICS application programming. It covers topics such as CICS architecture, programming techniques, and debugging. It valuable resource for CICS developers who want to learn more about the system.
Designing and Programming CICS Applications:...
Paperback
$$$
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The Complete Book of Middleware
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Guide to CICS for managers. It provides an overview of CICS and its main features, as well as practical advice on how to manage CICS systems.
The Complete Book of Middleware
Paperback
$$$$
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Using IBM z/OS WLM to Measure Mobile and Other...
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Provides a basic introduction to CICS for new users. It covers topics such as CICS architecture, programming concepts, and system administration. It good starting point for those who want to learn more about CICS.
Using IBM z/OS WLM to Measure Mobile and Other...
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Using IBM z/OS WLM to Measure Mobile and Other...
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Relevant careers
CICS Administrator
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