/OPTIONS=(keyword[,...])
/NOOPTIONS (default)
Specifies PRODUCT command options. Keywords are:
NOCONFIRM Omits the confirmation dialog that asks the user
to verify the products that have been selected
for the operation.
SHOW_DISK_USAGE Displays estimated disk block usage. Both peak
utilization and net change are shown in addition
to the amount of free space available before and
after the operation.