Tried a bit of a search and couldn't see anything...
Has anyone managed to build a Netboot using the Recovery environment? The reason I ask is that it is my understanding that this would then be able to manipulate the SIP state on the machine, thereby making dualboot deployment a whole lot easier.
Apple does not make the Recovery environment available for customization. Anyone undertaking such a projecet would have to do a lot of reverse engineering, and risk changes as Apple upgrades the OS.
I've steered clear of this in my NBI tools as: