IBM Mainframe z/OS Resources

• Official Product IBM z/OS Product Page

  The official hub for z/OS. Contains product overviews, latest release announcements (like z/OS 3.1), capabilities, and upgrade information.

• Documentation IBM Documentation (z/OS)

  The authoritative technical library (formerly Knowledge Center). Access manuals, command references, and message guides for all z/OS versions.

• Technical Guides IBM Redbooks

  In-depth technical guides and "how-to" books written by IBM experts. Essential for understanding implementation, best practices, and complex configurations.

• Open Source Tools z/OS Open Tools Community

  A repository of open-source tools ported to z/OS, facilitating modern development practices and easier adoption of standard tools on the mainframe.

• Live Community System Z Enthusiasts Discord

  A real-time chat community for mainframe professionals, students, and hobbyists to discuss z/OS, hardware, and career advice.

• Support IBM Support & Fix Central

  The portal for managing support cases, finding technical notes (Technotes), and downloading software patches (PTFs) and fixes.

• Community Hub IBM Z and LinuxONE Community

  The official IBM community site featuring blogs, discussion forums, user group listings, and events like TechXchange.

• User Group SHARE Association

  The oldest and most influential enterprise IT user group. Offers conferences, technical sessions, and a vast library of member content and presentations.

• Forum IBM Mainframe Forum

  A popular third-party discussion board for technical Q&A covering JCL, COBOL, CICS, DB2, and general system programming issues.

• News & Blog Planet Mainframe

  A leading independent blog and news hub offering industry insights, technical articles, and editorials from mainframe experts.

• Open Source Foundation Open Mainframe Project

  A Linux Foundation project dedicated to open source on the mainframe, including Zowe, Feilong, and COBOL training initiatives.

• Education IBM Z Xplore

  A hands-on learning platform (formerly Master the Mainframe) designed to teach z/OS skills through gamified challenges and coding exercises.