Learn more about the IBM z/OS Mainframe Practitioner course here including a course overview, cost information, related jobs and more.

One of the benefits of an IBM mainframe is longevity. An application written decades ago in COBOL, an ancient programming language that still powers many critical systems, will run on today's ...

BASIC running on this operating system allowed colleges, high schools, and individuals across the country to dial into mainframe computers and write programs using the language.

There are few advantages to growing old, but if you were lucky enough to train, back in the hidden midst of times past, in programming languages COBOL or PL/I, you may have landed in later life into a ...