Meaning – The term installationexit, refers to IBM software producti?s documentation by which an IBM software product may be modified by a customer’s system programmers to change or extend the functions of the IBM software product. Such modifications consist of exit routines written to replace one or more existing modules of an IBM software product or to add one or more modules or subroutines to an IBM software product, for the purpose of modifying or extending the functions of the IBM software product.
Installation exits are customizations that exit from Java to call a script before returning back to Java.
Example of usage – “The Cambridge installation exit is called to approve or disapprove entry of a cartridge into a library and to determine TCDB volume record contents for each volume that is entered into a library. If the library supports outboard policy management, the installation exit can also obtain and set outboard policy names.”