Here are the two best basic books. You can use these to practice CICS and IMS DB. You can write your COBOL programs using these books.
IMS DB Book
It’s written in easy to learn style so that beginners can understand with less effort.
CICS practice book
A CICS practice book for beginners. You can develop your first program with the help of this book.
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Also, read
- How to write CICS program using Container and Channel
- How to write COBOL CICS program with Webservices development
