Mainframes make up some of the most formidable computing power in the world, processing 90 percent of all credit card transactions and 68 percent of the world’s production IT workloads. At the same...

Decades ago, IT systems were self-contained. In an era ruled by mainframe computers, top to bottom programs all ran within a single environment and were written in a single programming language....

Are mainframes the same thing as supercomputers? Not at all. Ask a person on the street to explain the difference between mainframes and supercomputers, however, and you might hear the two terms...

What comes to mind when you hear the word mainframe? If it’s a computer from the 1950s, you probably don’t know as much about mainframes as you could. Keep reading for five little-known...

If you run an IBM mainframe today, you have to choose between two great operating systems options to power it:  Linux vs. z/OS. How do you decide? Here’s a guide to choosing the right...

Mainframes originated in the 1950’s – longer ago than many people reading this. If mainframes are so old, why do they remain an important IT resource across so many industries? Why do we...

Mainframes remain the workhorses for approximately 70% of enterprises’ most business-critical workloads. But big iron is no longer expected to carry the load alone. An entire ecosystem of...

How will the mainframe industry change over the next decade? Will mainframes even still be around? The short answers to those questions are  “a lot” and  “almost certainly.”...

This article on mainframe computers was originally published by Trevor Eddolls on Enterprise Systems Media. Many organizations have mainframe computers installed, yet those organizations often miss...