A scrubber is a mechanism that provides overflow protection in the event of a system halt.
The background scrubber has been replaced by a more robust and efficient mechanism for recovering overflow after a system halt.
See Also
clear-file Command
coldstart Command
create-file Command
FID
init-ovf Command
Maxfid
Overflow Table
set-ovf-reserve Command
set-runaway-limit Command
user-coldstart Macro
what Command