Formerly CAISERV program was provided to display data about products in loadlibs.
Where CAISERV load module can be found for r15.0 or is there an equivalent ?
COMMON COMPONENTS AND SERVICES 15.0 - z/OS supported releases -
The equivalent of CAISERV program is CAIRIMU.
CAIRIMU utility can be executed to determine which products and components have been initialized.
CAIRIMU lists the product or component name, version, and level.
The utility also shows the result of each initialization routine in the form of date, time, and success or failure, based on the return code.
The optional PROD parameter can be used to view detailed licensing information about your installed Broadcom products.
See CAIRIM Verification Utilities page of the Common Components and Services for z/OS 15.0 documentation for details.