22.1. What release am I running?

Different platforms use different commands to show you product information. With many environments now comprising combinations of different platforms, operating systems and products that all interact with the z/OS operating system in a distributed topology, we have included some procedures to enable you to find out the release and maintenance level for IBM products that could be an influencing factor on the z/OS problem you are investigating.

Important

Do not overlook the most obvious source of release information, and that is often recorded in the console or job log messages generated during startup of the operating system or product.

In Windows, the drop-down HELP menu will show you the product release, whereas ...

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