nvram(8) on macOS
The text 4fea01fb8674, as Mac OS X 10.1.5, Mac OS X 10.1.4, Mac OS X 10.1.3, Mac OS X 10.1.2, Mac OS X 10.1.1, Mac OS X 10.1, Mac OS X 10.0.4, Mac OS X 10.0 shipped it.
manipulate Open Firmware NVRAM variables
Flags it lists
-
-p