CICS
Programming language
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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.
CICS family products are designed as middleware and support... Wikipedia
Initial release: July 8, 1969; 54 years ago
License: Proprietary
Other names: Customer Information Control System
Platform: IBM Z
Stable release: CICS Transaction Server V6.1 / June 17, 2022; 22 months ago