Apple used to use it in the PowerPC days as did Sun - https://en.wikipedia.org/w...

		rollthehard6 on July 9, 2015 \| parent \| context \| favorite \| on: Starting Forth Apple used to use it in the PowerPC days as did Sun - https://en.wikipedia.org/wiki/Open_Firmware http://www.brendangregg.com/Sun/obp.html