Mainframe

z/OS Basic Skills Information Center

Mainframe concepts

z/OS Basic Skills Information Center

Mainframe concepts

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Contents
Introduction to the mainframe . . . . . v Chapter 1. The value of the mainframe today . . . . . . . . . . . . . . . . 1
The S/360: A turning point in mainframe history . . 1 Mainframe architecture: Secure, compatible, and still evolving . . . . . . . . . . . . . . . . 2 Mainframes in our midst: You use one every day . . 3 What is a mainframe? It’s a style of computing . . . 4 Who uses mainframes and why do they do it? . . . 6 Mainframe strengths: Reliability, availability, and serviceability . . . . . . . . . . . . . 7 Mainframe strengths: Security . . . . .