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Does anyone know something about MVS and JCL?
Is it possible to explain to me what MVS is? And what JCL is used for?
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Job control language (JCL) is a set of statements that you code to tell the z/OS® operating system about the work you want it to perform. Although this set of statements is quite large, most jobs can be run using a very small subset.
JCL (job control language) is a language for describing jobs (units of work) to the MVS, OS/390, and VSE operating systems, which run on IBM's S/390 mainframe computers. These operating systems allocate their time and space resources among the total number of jobs that have been started in the computer.
MVC (Model-View-Controller) is a pattern in software design commonly used to implement user interfaces, data, and controlling logic. It emphasizes a separation between the software's business logic and display. This "separation of concerns" provides for a better division of labor and improved maintenance.
JCL (Job Control Language) statements control the flow of a complete job. They determine which programs run, the sequence in which each program runs, and which files are accessed, copied, or created.
I believe you are referring to MVS and JCL.
MVS is the operating system for the IBM mainframe systems and JCL is the job control language for the mainframe. You could correlate MVS to Linux and JCL to Bash for example.
The AS/400 / iSeries / IBM i / i5 is considered a midrange machine. It's operating system is called OS/400 or more recently i5/OS.
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