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System 390 Job Control Language, 4th Edition

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.

Paperback: 480 pages

Publisher: Wiley; 4 edition (April 21, 1998)

Language: English

ISBN-10: 0471283096

ISBN-13: 978-0471283096

Product Dimensions: 7.5 x 1.1 x 9.2 inches

Shipping Weight: 1.8 pounds

Average Customer Review: 4.8 out of 5 stars  See all reviews (14 customer reviews)

Best Sellers Rank: #719,086 in Books (See Top 100 in Books) #42 in Books > Computers & Technology > Hardware & DIY > Microprocessors & System Design > Control Systems #53 in Books > Computers & Technology > Hardware & DIY > Mainframes & Minicomputers #2510 in Books > Textbooks > Computer Science > Programming Languages

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 looking at old JCL you most likely will find your code sitting in "Rarely Used" and you can bring the JCL up to date by applying the "Essential" examples. One example of this is checking return codes after job steps. I've always coded the reverse IBM logic with a cond= statement. This book shows you how to code an IF statement in the jcl and check the exact return code with a simple .eq .gt. .lt boolean operator. Just things like this make the book very valuable to me. I've thrown out my old JCL books because this is the ONLY JCL reference I need.

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.

This is the bee's knees.MVS Job Control Language explained in easy to understand language.There is lot's more than just JCL. There are, for example, explanations of file Data Control Blocks, MVS Utilities, compilers, linkage editors and many more subjects of interest to anyone working on MVS.An absolute must if you write JCL. I have it to hand on my desk all the time.

Does a good job on an arcane "computer language" for running programs on IBM's mainframe computers. I was first exposed to this "language" in the late 1960's or almost 50 years ago. I am amazed that it still exists with its JOB EXEC and DD statements -- enhanced for data access methods, but retaining the mix of positional and keyword parameters that makes the programming task "interesting", as with the Chines curse "may you live in interesting times".Dropped 1 star only because of the extremely limited audience -- I expect folks who read my review to either accept it or attack it -- no middle ground.

What a life saver. If you need to spin your own JCL, this book will answer your questions. Put the IBM manuals back on the self, this is all you need!

I have used Brown's books since his first 370 edition. Brown explains the often obtuse JCL with clarity not often found in technical books. It is an elegant presentation of the most central tech skill to mainframe systems. His handling of utilities is equally well done.

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