MVS@Mainframe Programming
MVS is the operating system from IBM that is installed on most of its mainframe and large server computers. MVS has been said to be the operating system that keeps the world going. The payroll, transaction processing, database management, and other programs critical to the world's largest businesses are usually run on an MVS system.
Creating an MVS mini system
It is mainly for safety. With a mini MVS system on disk you can re-IPL immediately in the case of a big crash

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....
Please read the disclaimer before reading the articles.