What does the PURGER parameter PURGERDELAY specify?

A.
The number of minutes the purger process waits between attempts to purge redundant image
trail files.

B.
The number of minutes the purger process waits between polls of the updater processes.

C.
The number of minutes the purger process waits between finding an image trail to purge and
actually purging it.

D.
The number of minutes the purger process waits after all updaters have shutdown before
shutting down itself.