You can use the Display Library Description (DSPLIBD) and Retrieve Library Description (RTVLIBD) commands to display and retrieve the description of libraries.
The library description information includes:
- Type of library (either PROD or TEST)
- Auxiliary storage pool number of the library
- Auxiliary storage pool device name of the library
Auxiliary storage pool group device name of the library
- Create authority of the library
- Create object auditing of the library
- Text description of the library