OS/390
OS/390 is an integrated, enterprise-wide, open server operating system built upon an MVS foundation. It extends the legacy strengths of reliability, availability, performance and security that users expect from a mission-critical operating system.
IBM delivers OS/390 with biannual releases every March and September. Compuware supports OS/390 and its customers who are deploying OS/390 technology throughout their enterprises.
zSeries 900
All currently marketed OS/390-based products are fully functional and compatible with the IBM zSeries 900 platform under 31-bit mode and 64-bit Real operational mode. View minimum OS/390 release levels required for zSeries 900 platform compatibility.
Software licensing and hardware support
Compuware is committed to providing flexible, value-oriented licensing and pricing options for all of our products. Learn more about Compuware software licensing and hardware support.
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