CICS
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IBM CICS is a family of mixed-language application servers that provide online transaction management and connectivity for applications on IBM mainframe systems under z/OS and z/VSE.
IBM Hursley, near Winchester in the UK, where much of CICS development is done.
Beginning of a CICSGEN stage one module, 1982
Chart showing a particular task invocation of CICS, 2010
A diagram showing one site's relationship between z/OS and CICS, 2010
IBM mainframe
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IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series and the later System/360, followed by the Syste
CICS
…Control System) is a family of mixed-language application servers that provide online transaction management and connectivity for applications on IBM mainframe systems under z/OS and z/VSE. CICS family products are designed as middleware and support rapid, high-volume online transaction processing. A CICS…
IBM 704 mainframe at NACA in 1957
IBM 1401 undergoing restoration at the Computer History Museum
IBM System/360 Model 50
IBM System z800