This book will teach you the basic information and skills you need to develop applications with the COBOL programming language and VSAM file management service on IBM mainframe computers running z/OS. The instruction, examples, and sample programs in this book are a fast track to becoming productive with COBOL and VSAM as quickly as possible. The content of this book is easy to read and digest, well organized and focused on honing real job skills. Acquiring these skills is a key step in mastering COBOL and VSAM application development so you'll be ready to perform effectively on an application development team

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