TEST option

If you invoked access method services in a batch job, you can use the TEST option to activate the printing of diagnostic output at selected points within access method services. The TEST option is controlled by the TEST keyword as explained in TEST keyword.

The TEST option provides you with the ability to print:

The inter-module and intra-module trace tables.
Selected areas of virtual storage.
Full region dump.

Each variation of the TEST option provides an additional level of information. The possible variations are:

Print the trace tables only
Print the trace tables and selected areas of virtual storage
Print the trace tables and selected areas of virtual storage and take a full region dump.