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Mainframe developer training courses typically cover a range of topics and skills needed to work with mainframe systems effectively. These courses can vary in length and depth, depending on the specific program and the level of expertise they aim to provide. Here is a general outline of the content you might find in a mainframe developer training course: Introduction to Mainframes: Overview of mainframe computing Historical context and evolution of mainframes Mainframe architecture and components Mainframe Operating Systems: Introduction to popular mainframe operating systems like z/OS, z/VSE, or others Understanding the file system and data management Programming Languages: Introduction to programming languages commonly used in mainframe development, such as COBOL, PL/I, Assembler, and JCL (Job Control Language) Basics of coding in these languages Best practices for mainframe programming Data Management: Working with mainframe databases, including DB2 and IMS SQL for mainframe data retrieval and manipulation Data modeling and design on the mainframe Batch Processing: Understanding batch processing concepts Writing and debugging batch jobs using JCL Managing job streams and job scheduling Online Transaction Processing (OLTP): Overview of OLTP systems on mainframes Development of online applications Understanding CICS (Customer Information Control System) Mainframe Tools and Utilities: Familiarity with tools and utilities specific to mainframes, such as ISPF (Interacti
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