https://www.pluralsight.com/courses/cics-application-programming-fundamentals-cobol

CICS has been one of IBM's flagship products for mainframe environments for the past 50 years. It is still used by tens of thousands of organizations worldwide. CICS plays a role both in legacy systems and in application modernization, and demand for CICS skills is on the rise. In this course, CICS Application Programming Fundamentals (COBOL), you’ll learn to design, code, run, and test CICS application programs. First, you'll discover the process of building up a complete CRUD application. Next, you'll explore the various skills for creating BMS maps. Finally, you'll delve into writing CICS applications in COBOL, working with VSAM KSDS data sets, and designing pseudo-conversational transactions. When you’re finished with this course, you’ll have the skills and knowledge of CICS COBOL application development needed to build and support such applications.