Although when CICS is mentioned, people usually mean CICS Transaction Server, the CICS Family refers to a portfolio of transaction servers, connectors (called CICS Transaction Gateway) and CICS Tools.

CICS stands for Customer Information Control System. It is a general-purpose transaction processing subsystem for the z/OS operating system. CICS provides services for running an application online, by request, at the same time as many other users are submitting requests to run the same applications, using the same files and programs.

CICS stands for " Customer Information Control System ". It is an Online Transaction Processing (OLTP) system and application server that provides online transaction management and connectivity for applications running on mainframes under z/OS.

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CICS stands for Customer Information Control System. CICS was developed in 1968 by IBM. CICS allows users to develop and execute online application in an MVS environment. CICS has become the most commonly used server for Internet applications.

CICS (Customer Information Control System) is an IBM database/data communication (DB/DC) system. CICS makes it easy to send, receive, and process data through interaction with a terminal that consists of a display unit or cathode-ray tube (CRT) and a keyboard.

2021年11月22日 · CICS (Customer Information Control System) is middleware that sits between the z/OS IBM mainframe operating system and business applications. As an online transaction processing (OLTP) system, it is used to build customer transaction application programs.

What is a CICS application? An application is a collection of related programs that together perform a business operation, such as processing a product order, or preparing a company payroll. CICS applications execute under CICS control, using CICS services and interfaces to access programs and files.

CICS (Customer Information Control System) was initially developed in 1966 at an IBM Development Center in Des Plaines, Illinois. The first CICS product was announced in 1968 and was named Public Utility Customer Information Control System (PU-CICS).

CICS architecture is designed to provide a robust, scalable, and efficient environment for transaction processing. Understanding this architecture is essential for system administration, application development, and performance tuning.