At the simplest level, an operating system does two things: 1  It manages the hardware and software resources of the system. 2  It provides a stable, consistent way for applications to deal with the hardware without having to know all the details of the hardware.
The Rock â $3.5 million. While John Cena is the current star of WWE and has frequent appearances in the ring, the honor of highest paid WWE wrestler goes to The Rock, who makes roughly $3.5 million a year in addition to income from merchandise sales and PPV revenue.
He has also headlined WWE's flagship event, WrestleMania, on five different occasions (WrestleManias 22, 23, XXVII, XXVIII, and 29) over the course of his career, as well as many others pay-per-view events. As of 2016, John Cena is WWE's highest-paid wrestler.