No pain, no gain?

The way you learned about mainframes was probably a mixture of courses, working with a more experienced colleague, and trial and error. And once you became a bit of an expert, it didn’t end there. You needed to learn more about Liberty profiles, about RESTful states, about network security, etc. The list of things to know about just continues to grow. And you’re not going to gain any more knowledge without experiencing the pain of learning.

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