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CICS Tutorial

CICS stands for Customer Information Control System. CICS was developed in 1968 by IBM. CICS allows users to develop and execute online application in an MVS environment. CICS has become the most commonly used server for Internet applications. CICS is a transaction processing system which is also called as Online Transaction Processing (OLTP) Software. CICS is a data communication system that can support a network containing hundreds of terminals.


This tutorial is designed for software programmers who would like to understand the concepts of CICS starting from scratch. This tutorial will give you enough understanding on CICS from where you can take yourself to higher levels of expertise.


Before proceeding with this tutorial, you should have a basic understanding of COBOL programming. A basic knowledge of MVS and TSO/ISPF subsystem will help you grasp the concepts of CICS better.