Use this tag for questions about mainframes (also known as "big iron" computers running operating system such as zOS, zVM, or zLinux) related to topics such as SCM, testing, operations, etc.
Questions tagged [mainframe]
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How can I develop and support mainframe software without going broke?
Mainframe (zOS) software is still very much in use right now. Many of the most critical applications of banks, insurance companies, airlines, global companies, etc are running on (good old) mainframes.
However, for companies that are in the business…
Pierre.Vriens
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