CICS concepts

During this course participants learn to describe the functions and main components of CICS. They learn how CICS interacts with terminals, application programs and access methods. In addition participants will be able to describe the safety– and integrity- aspects of the system.


No public sessions are currently scheduled. We will be pleased to set up an on-site course or to schedule an extra public session (in case of a sufficient number of candidates). Interested? Please let us know.

Intended for

Everyone in the IT department who wants a general introduction to CICS. Especially for IT managers, project leaders, system analysts /designers and operators. This course is not necessary for those who follow the course 'CICS Application Programming'.


No specific background is required. Some familiarity with IT.

Main topics

  • CICS overview:

Why use CICS; the most important components and facilities and an overview of transaction processing in a CICS system.

  • Functions in CICS:

Transaction processing in detail: terminal control • data manipulation • error treatment • resource management • interprogram communication • monitors • development tools.

  • Application programs:

The use of CICS commands in application programs • written in classical programming languages; the loading and executing of programs; the communication between programs and database management systems.

  • CICS tables:

RDO (Resource Definition Online); the different tables and how they are used to handle transactions, to rule the access to data and to control the use of application programs.

  • System management:

Description of possible error situations • recovery and restart facilities • synchronisation and security

  • Distributed working:

Description of CICS facilities as CICSPLEX • transaction routing • function shipping • distributed transactions • CICS and the internet • CICS and web services

Training method

Classroom instruction.


1 day.

Course leader

Peter Vanroose.