What On Earth is a Mainframe (2025)?
The best "IBM Z Mainframes for Beginners" book
available.
New 2025 edition just released! Early print copies now available from Amazon. eBook available from Apple, FNAC and more.
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Looking for a "Mainframes for Beginners" book?
Need to learn about z/OS fast? Then this is the book you
need.
This is the perfect introduction to IBM Z Mainframes
and z/OS. Avoiding technical jargon, it gives you the basic
facts in clear, light-hearted, entertaining English. You’ll
quickly learn what Mainframes are, what they do, what runs
on them, and terms and terminology you need to speak Mainframe-ese.
But it’s not all technical. There’s also invaluable
information about the people that work on Mainframes, Mainframe
management issues, new Mainframe trends, and other facts
that don’t seem to be written down anywhere else.
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What On Earth is a Mainframe is the closest you'll get to a "Mainframes
for Dummies" book.
Programmers, managers, recruitment consultants, and industry
commentators will all find this book their new best friend when
trying to understand the Mainframe world.
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