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Concepts and Terminology

Panels are stored in VSAM data sets for fast retrieval and update. A VSAM data set containing panel definitions is called a panel library, with individual panel definitions being termed members of the library. Each member maintains details on the date of creation, the date of last modification, the user ID, the number of statements in the member, and the modification level.

The product region supports multiple panel libraries. A library can be used as the sole source of panel definitions, or it can be concatenated with other libraries defined to the system. A concatenation of libraries is called a panel path. When a user is defined, the panel path they use is defined. Each user can be defined to use a different path. The default path is called PANELS. For more information about panel paths, see the Administration Guide for your product.

When a library is defined, the person defining it can determine if the library can be edited on the system. When a path is defined, the definer can choose to allow or disallow edit of selected libraries in the path.

Note: To update panel definitions in a library using the MODS panel maintenance facilities, the library must have edit allowed by both the library and path definitions.

More information:

Maintaining Panel Libraries