This IBM Redbooks publication is Volume 2 of a five-volume set that is designed to
introduce the structure of an OS/390 and S/390 operating environment.
The set will help you install, tailor, and configure an OS/390 operating
system, and is intended for system programmers who are new to an OS/390
Chapter 1 provides an introduction to OS/390 implementation and daily
maintenance, and how to IPL an OS/390 system. Described are the main
parameters and system data sets necessary to IPL and run an OS/390
operating system and the main daily tasks that a system programmer
performs in order to maximize the advantages that a well implemented
operating system can offer to your I/T structure.
Chapter 2 describes subsystems and how to define them.
Chapter 3 describes the two job entry subsystems, JES2 and JES3.
Chapter 4 describes what factors should be considered when placing
load modules or load libraries into storage.
Chapter 5 describes how data sets are managed in a catalog structure
and the various types of catalogs.