This article offers a practical USS tuning primer for new mainframers, developers moving into z/OS UNIX, and technical leaders who need to understand the basics before changing system settings.z/OS UNIX tuning can feel familiar and unfamiliar at the same time. USS...
The 2026 Arcati Mainframe User Survey reinforces a consistent picture of IBM Z as a durable system-of-record platform operating inside mature hybrid environments. Across business dependence, platform currency, workforce structure, tooling investment, security posture,...
AI as an Integration Catalyst Across the 2026 Arcati Mainframe User Survey, AI is not described as a force that displaces the mainframe. Instead, respondents most frequently associate AI adoption with expanded hybrid integration. When asked how AI will impact IBM Z...