I get what you're getting at, but no where in this was mention of dual boot CFW. Rumors start just from statements like that, like the one below:
Originally Posted by twisss
It's not dual CFW, it's CFW and Linux. There's no telling if it is or even would be possible, but anyone can hope for dual CFW. My thoughts are chances are if something like that was possible or becomes possible, it would be a choice between CFW and OFW or CFW and Linux.
Originally Posted by DG_Legend
Even though I know some technical things, just to play it safe, a PUP with this for easy installation is the likely solution just to rule out as many errors as possible (CFW and Linux that is.)
I'm neither black nor white....so don't be disappointed when you can't find me in a box of Crayola's!