Mainframe, MVS and zOS Discussion

On July 20, 1969, the human race accomplished its single greatest technological achievement of all time when a human first set foot on another celestial body. Johannes Kepler and IMS helped to bring people to the moon. IMS stands for - Information Management System. It has two systems - a Database ...

Before I put something about what is Language C -- I'd like to direct a link, from wiki, which talks about a Great Computer Scientist. -- Does the name sound familiar!? :). Somehow I believe, he had not been given the due respect he deserved... this is my little effort in that direction - A Great Hu...

Many of the "Software Engineers" I met said "assembler was a part of Computer Hardware"... :shock: ! Yes? No? Actually, Assemblers are software, or in other words, a set of instructions that a computer uses to assemble code modules. These modules are said to run on "bare met...

[center] http://s20.postimg.org/6xp8i8rw9/hercules_logo.jpg [/center] Hercules is a computer emulator which allows software designed for IBM mainframe computers and for plug compatible mainframes to run on a low-cost personal computers. Although there are other mainframe emulators which perform a si...

My intent in creating this site was to combine information from my career as a mainframe-computer-programmer with relevant resources related to programming currently found in other places on the net. I hope that the result is a unique creation that may benefit others seeking to satisfy their curiosi...

COBOL Certifications - as it turns out, there are only two that I could find. The first is from Brainbench; the second is from Expertrating.com. Brainbench requires a single online exam that costs $50. Expertrating.com suggests a series of 18 online exams for COBOL developers which range in price fr...

IMS Fundamentals Mastery Program : ftp://ftp.boulder.ibm.com/software/data/ims/education/IMS_Fundamentals.pdf" onclick="window.open(this.href);return false; More information on 'IMS Mastery Certification Program from IBM' : ftp://ftp.software.ibm.com/software/data/ims/education/IMS_Mastery...

DB2 certification, from IBM, has a strong following and has been well-established for many years. Susan Dykman, the Certification Program Manager for IBM Information Management, has crafted a certification portfolio that allows DB2 professionals to customize their certification paths based on job ro...

PL/I, Programming Language One is a procedural, imperative computer programming language designed for scientific, engineering, business and systems programming applications. It is pronounced as "pee-el-wun". It has been used by various academic, commercial and industrial organizations sinc...

REXX is not CLIST! -- REXX is not TSO! -- REXX is not ISPF! -- REXX is NOT PDF! REXX is an excellent language for "Rapid Application Development". It is also just fine to use for many scripting type functions on the mainframe that require some sort of "programming". REXX frequent...

Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems. JCL is a set of statements that you code to tell the z/OS® operating system about the work you want it to perform. It instructs the system on how to run a batch job or start a subsystem. Although the instruct...

It all started in 1970 when a brilliant man named E. F. “Ted” Codd wrote a paper while working at the IBM research lab in San Jose, California. The paper, which was titled “A Relational Model of Data for Large Shared Data Banks” and this triggered a revolution on how the people thought about data in...

REXX was developed at IBM by Mike Cowlishaw. REXX is a computer programming language that's easy to learn and use because it was designed for humans and not computers! It is largely based on PL/I. Cowlishaw's original intention was to develop a language similar to PL/I, but easier for beginners and ...

We are in 2013 now and if I ask that do you already know a programming language -- chances are that language is Java, C or C++; in other words that language isn't COBOL, however, you won't believe that most of the critical code, in production, still is in COBOL . Said that, You will find COBOL a mu...

File-AID is Compuware's cross-platform file and data management solution. File-Aid is a versatile utility that is basically used for re-formatting data while copying from another data set. As per the Compuware, Compuware's mainframe data management solution File-AID enables developers to focus on th...

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