appletalk
designed to seamlessly integrate with m$ systems.
ms office runs on mac
IE runs on mac
the hardware is was ibm's ppc, now it's risc for the cpu, scsi drives.
cableless interiors with g5's.
( docking port connection of internal drives, not even a power cable )
they steal the other 2 mouse buttons and force you to work against the design purpose of a mouse and ADD keystrokes to get the functionality of a 3 button mouse.
osx is what apple did with a bsd distro, but it ain't even close to being bsd, it's nothing but winders in an uglier box..