CICS Fundamentals

Mainframe Training Overview

This class covers the major concepts and facilities for CICS. The CICS management functions, transaction processing and on-line system management are covered in detail. The CICS Application Programming Interface (API) is used to access CICS capabilities including sending /receiving screen maps, reading a VSAM file and handling PF Key and CICS Exception conditions. CICS screen design and implementation using Basic Mapping Support (BMS) are covered in detail.

Hands-on exercises give each student experience in accessing CICS Transactions, writing Programs and accessing Screens.

Mainframe Training Learning Objectives

As a result of the class, the student will be able to -

  • Use several CICS Supplied Transactions
  • Discuss CICS Application Design process
  • Discuss the use of Basic Mapping Services (BMS) to build CICS screens
  • Write programs using the CICS API to access screen and file data
  • Debug CICS Programs using the CICS Execution Diagnostic Facility (EDF)
  • Discuss CICS Resource Definition
  • Discuss CICS Recovery/Restart
  • Describe File and Database Facilities
  • Describe Temporary Storage and Transient Data Queuing Facilities
  • Demonstrate the use of major CICS commands
Mainframe Training Audience

This class is intended for CICS application designers, application programmers, system programmers or operators who need to understand how CICS capabilities and facilities and to write application programs to access CICS

Mainframe Training Prerequisites

Students need a basic knowledge of data processing.

Mainframe Training Course duration

3 days

Mainframe Training Course outline


  I. Introduction to Interactive Systems

          A. Batch systems

          B. On-line systems

          C. What is an online system?

          D. Data-communications systems

II. Introduction to CICS concepts and terminology

          A. What is CICS?

          B. CICS voncepts, facilities, components

          C. How CICS is organized?

          D. Eight steps in CICS program development

III. Using Basic Mapping Support (BMS)

          A. What is BMS?

          B. IBM 3270 display screen characteristics

          C. Coding BMS macros instructions

IV. Introduction to CICS Command level programming

          A. What is CICS command level programming?

          B. Program design concepts

          C. Major CICS commands

          D. The CICS translator program


  V. Program Design (beyond the basic commands)

          A. The EXEC Interface Block (EIB)

          B. Terminal Control

          C. CICS File Control commands

          D. Error Control

          E. Abend Control

          F. Exceptional Condition Control

          G. Return

          H. Special programming techniques

VI. Test and Debugging

          A. Testing a CICS program

VII. Program control facilities

          A. 'Transfer' to another program

          B. 'Link' to a sub-program

          C. Return control

          D. The Communications Area

VIII. Test and Debugging

          A. Testing a CICS program


  IX. Overview of storage control facilities

          A. Transient data queues

          B. Temporary storage

          C. Journaling

          D. CICS system tables

X. Sample Application program

          A Review of CICS command level COBOL programming

Wintrac Inc.
16523 SW McGwire Ct.
Beaverton OR 97007
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