JCL@Mainframe Programming
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 large server (mainframe) computers. These operating systems allocate their time and space resources among the total number of jobs that have been started in the computer.
JCL
 
What is a JCL?
JCL is a language for describing jobs to the MVS, OS/390, and VSE operating systems, which run on IBM's S/390 large server computers.

Planning your path from OS/390 to z/OS
Are you running OS/390 V2.6 or V2.7? Do you know IBM no longer supports these releases?


Catalogs - MVS Internals
Catalogs are used by MVS to locate datasets when a task attempts to allocate them without supplying their volume serial number.

Submit an Article
Here is an attempt to gather some interesting and highly recommended articles. It isn't a major directory and I have no intention of making it one....
Disclaimer
Please read the disclaimer before reading the articles.