Udemy – CICS – Mainframe Customer Information Control System

Unlock your career in mainframe development with this hands-on course in CICS and COBOL-based online application programming. Whether you’re a beginner or a developer transitioning from batch to online systems, this course will guide you through the essentials of real-time transaction processing on IBM mainframes.

What You’ll Learn:

• Understand CICS and its role in online application development
• Learn the differences between online and batch processing
• Design user interfaces using BMS macros: DFHMSD, DFHMDI, and DFHMDF
• Create and compile CICS maps/screens step-by-step
• Work with IBM-supplied tables like PPT, PCT, RCT, FCT, DCT
• Explore IBM-supplied transactions: CEDA, CEMT, CECI, CESN, CESF, and more
• Build COBOL programs integrated with CICS for transaction handling
• Learn compile, link-edit, and translator processes in CICS development
• Understand conversational, non-conversational, and pseudo-conversational programs
• Handle function keys and create responsive screen logic
• Implement error and exception handling using HANDLE CONDITION, No Handle, RESP, IGNORE, etc.
• Control program flow using XCTL and LINK and RETURN with Transaction ID
• Perform file handling operations in online applications
• Integrate DB2 databases in CICS applications (with recorded session)
• Use Temporary Storage Queues (TSQ) and Transient Data Queues (TDQ) effectively
• Understand paging logic for managing multi-page outputs (with recorded session)
• Debug and troubleshoot using tools in a CICS region

Get hands-on experience and gain the confidence to work in real-world mainframe environments. Start building online applications like a pro — enroll today!

• Aspiring Mainframe Developers looking to build a solid foundation in online transaction processing using CICS and COBOL.
• Entry-level programmers or fresh graduates who want to learn how real-time applications are designed and executed on IBM mainframe systems
• Batch application developers transitioning to or supporting CICS-based online systems
• Beginners to Experienced professionals