Your source for technical information about z/OS. Including operating system features, installation, upgrades, migration, data migration, error messages, display codes, service and maintenance. There is also technical information concerning IBM software, System z hardware, Parallel Sysplex clustering, and hints and tips and other items of interest.

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• Download or Order Publications via IBM Publications Center
• IBM LookAt Message Lookup Facility
• IBM Resource Link (Hardware)
• IBM Softcopy
• IBM System z Literature
• z/OS and z/OS.e DOC APAR and PTF ++HOLD Documentation
• z/OS Basic Skills Information Center
• z/OS Hot Topics Newsletters
• z/OS Internet Library
• zFavorites