This authoritative guide to JCL has sold over 200,000 copies. The fourth edition has been revised and updated to reflect the recent changes in the language and its emerging applications, including mission-critical coverage of the two most talked about topics in the field, Year 2000 retrofitting of legacy systems and secure e-commerce. Reformatted to match the profiles of today's programmers, this edition places new emphasis on providing guidance for programmers with a PC background. JCL features no longer supported by IBM have been gathered in one chapter on obsolete technology for use by those maintaining legacy systems. The book also features updates for the latest version of OS/390, including changes in architecture, hardware, devices, and terminology.
Gary DeWard Brown
Most Helpful Customer Reviews
I was hired as a mainframe programmer (trainee) having never laid eyes on a mainframe terminal and having no experience or knowledge of mainframes. Most things have been relatively easy to learn, but JCL has been a thorn in my side from the beginning and has only gotten slightly better in the 7 months I've struggled with it. But this book is absolutely perfect for my needs because it teaches from the perspective of someone moving from a Windows environment to a mainframe environment and even draws comparisons between unfamiliar mainframe terminology and familiar PC terminology. This book is excellent and absolutely necessary if you are new to the mainframe environment and have to understand, troubleshoot, or write JCL.
Whether you are a beginner or if you've been programming for years, this is THE book. JCL is a very powerful tool and the information contained in this book is priceless for a programmer. After programming for 15 years, I thought I knew everything there was to know about JCL. This book is an invaluable reference tool that I use atleast 1-3 times a week. It is so popular where I work that others constantly borrow it. The examples contained in the book are very easy to understand. As you programmers know, when you are under the gun, you do not have time to read someone else's cryptic explanations, you want it spelled out and easy to understand. The utility section within this book covers TSO/ISPF and IBM utilities. The only part, small part of the book, that may even be considered week is the TSO/ISPF portion which I do not use. Throughout the book you will see a situation coded. Thereafter you will see "Essential, Rarely Used, Sometimes Used". If you are...
This book has the reputation of being the best book available on JCL. That reputation is deserved. JCL is a difficult topic to write about, but Mr. Brown writes clearly and sympathetically. Thanks, Mr. Brown.
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