This " Mainframe Reader" contains 24 articles on z/Architecture, z/OS, and its many " friends," including security hardware and software, networking and management utilities, and major software products like the Customer Information Control System (CICS), Information Management System (IMS) and Databases like Db2 (part of a family of data management products developed by IBM). Many z/OS built-in elements, optional features, and program products are explored and explained in the context of disciplines or categories like security, infrastructure and application support.
