Customer Information Control System (CICS) is an online transaction
processing program by IBM. The program is a middleware that works
between the operating system and the application program to provide rapid
Often CICS replaces certain functions within the
existing operating system, but also has the capabilities to extend its abilities.
Due to the interface of the program, CICS also has the power to monitor
transactions, as well as being able to recall transactions that have been only
Primarily used by financial institutions and banks, the program is used in a variety of different circumstances, including interactive applications such as ATM systems to insurance applications.
Jobs that use CICS include: