Boolean
A boolean is a simple true or false value.
The values "off", "false", "0" and "no" are interpreted as False. Every other value is interpreted as True. This also includes an Empty String. The vaues are case-insensitive.
All the following lines will set !SomethingToTurnOn to True
SomethingToTurnOn
SomethingToTurnOn yes
SomethingToTurnOn 1234
SomethingToTurnOn blahblahblah
All the following lines will set !SomethingToTurnOn to False
SomethingToTurnOff Off
SomethingToTurnOff no
SomethingToTurnOff 0
SomethingToTurnOff FALSE