I know
for a fact that IBM offered p-System for the PC, because I
have a copy of *IBM's* p-System and all its manuals (binder-in-box)
for the PC. The binders are blue. The PC-DOS ones are beige/tan,
if my memory serves me.
One of them is pink, I forget if that's PC-DOS or BASIC, but probably
the latter.
BASIC is definitely pink.