Thread: Customer Information Control System

CICS Overview and Functions

CICS is called as Customer Information Control System. The main functionality of CICS is it acts as an interface between the Operating System and application programs.

Functions of CICS

• Acts as interface between operating system and application programs.
• Does the function of data communication and therefore handle data. In other words CICS can support number of terminals or systems and acts as a data communication system between them.
• Take care of application program functions along with that take care of system functions also
• Also help in the task of monitoring
• Acts as a specialized operating system by providing environment for the execution of online application programs.
• CICS handles file management itself and so there is no need for statements like READ ,WRITE,OPEN

CICS Overview and Functions