This book will teach you the basic information and skills you need to develop applications on IBM mainframe computers running z/OS. The instruction, examples and sample programs in this book are a fast track to becoming productive as a developer in the IBM mainframe environment as quickly as possible. The coverage includes JCL, MVS Utilities, COBOL, VSAM, IMS, DB2 and CICS. 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 IBM application development so you'll be ready to perform effectively on an IBM application development team.