May contain one of the following key words:
Allows dmake to adjust the limit of parallel jobs according to the current loading of the system. If the system is not overloaded, dmake will use the limit defined by the user. If the system is overloaded, dmake will set the "current" limit to less than the limit defined by the user.
If this variable is not set, dmake will adjust the limit of parallel jobs according to the current loading of the system. This is the dmake default.
Causes dmake to switch off the autoadjustment mechanism.