NETWORK@Mainframe Programming
The Virtual IP Address (VIPA) adds a layer of protection against network connection failure. A Virtual IP Address (VIPA) is configured on a TCP/IP stack rather than a physical adapter, and is therefore not associated with any particular endpoint device.
VTAM
 
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....
Disclaimer
Please read the disclaimer before reading the articles.