About IDUG

IDUG stands for International Db2 Users Group, a global non-profit community for professionals who work with IBM Db2 across z/OS and distributed platforms. IDUG connects DBAs, developers, architects, SREs, and technology leaders to learn, share, and collaborate.

Understanding the backbone of enterprise computing

When we talk about mission-critical systems in banking, airlines, or government, we're talking about mainframes. And at the core of many of these systems is z/OS, IBM's flagship mainframe operating system.

What Is a Mainframe?

A mainframe is a powerful computer designed for:

• High-volume transaction processing
• Extreme reliability
• Secure data handling

Unlike typical servers, mainframes can: