IBM z/OS basic skills education

Welcome. New to z/OS? You've come to the right place! The z/OS basic skills information center is the fastest way to learn and become productive on z/OS.

Once you've learned the basic z/OS concepts and skills presented here, you can find the z/OS product documentation in this IBM Knowledge Center.

Getting started

Who uses mainframes?

Mainframe concepts

z/OS concepts

Application programming on z/OS

Networking on z/OS

Security on z/OS

IBM Data and Storage management on  z/OS 

Common tasks

More on z/OS

More information