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21CS Insights

Driving the Future of Mainframe Innovation

Exploring the trends, challenges, and solutions shaping enterprise IT.

  • Featured Article

    AI for QA with Python and ZOAU for the Seasoned Professional

    I've recently started to use AI in my day-to-day work. Initially being a 'seasoned professional' - or just someone who has been working with mainframes for 45 years - I thought I'd skip the whole AI...

    Mainframe Automation

    July 15, 2026

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  • 21CS Releases SENTINELn

    21CS  Launches  SENTINELn: See Every Change. Control Every Outcome.

    z/OS Change Management

    January 23, 2026

Discover Your STRATUSn Savings

Learn how STRATUSn saves on storage, simplifies your systems, and prepares your mainframe for the next generation.

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