If you're a COBOL programmer in IBM's MVS mainframe operating environment, you'll want to take advantage of this complete introduction to JCL. Those new to the field will discover exactly what they need to know to learn this challenging but essential language. And if you're a more experienced JCL user, here's the perfect quick-reference guide to keep on hand.

Hundreds of examples of JCL segments, accompanied by thorough, simple-to-follow explanations, speed you on your way and make difficult concepts clear. You'll also find out about the error messages the system may respond with and how to correct mistakes. Turn to this reliable guide for valuable basic material to get you familiar with VSAM, comprehensive coverage of JCL Utilities, and information on TSO/ISPF (Time Sharing Option/Interactive System Productivity Facility).

You'll also appreciate how the book clarifies the relationship of JCL with corresponding COBOL programs. Complete with a wealth of useful review questions and answers, The MVS JCL Primer is an invaluable resource for programmers at many levels.