This page describes audiences, objectives, prerequisites, and the topics covered as part of the tutorial.


CICS stands for "Customer Information Control System".

CICS is a OnLine Transaction Processing(OLTP) system/application server that provide online transaction management and connectivity for applications on the Mainframe under the z/OS and is also called as an online system in mainframes.

CICS designed as a middleware and provides services to run the different transactions(processes) simultaneously to produce instant results.

Objective and Audiences

In this tutorial, all the topics are covered with in-depth information. So, this tutorial is advised for all developers.


Readers need to have the COBOL basic knowledge to understand the CICS concepts easily. Go through the below tutorial -