1) Common apple platform 2) El Capitan 3) It runs on a Mac 4) It ships with Macs 5) It ships with most Apples 6) Mac interface 7) Mac platform 8) Mac software platform 9) Modern apple platform 10) Modern mac interface 11) Snow Leopard 12) Snow Leopard or Lion 13) What Macs ship with 14) Yosemite platform 
Painting of Thomas Carter Master of the Rolls by Charles Jervas ...