As a little hacking involves the name derived as Hackintosh. Why Hackintosh? Mac OS x is a great, fastest and safest operating system with any features and facilities but it runs on macintoshes, the real apple hardware, but apple macintosh are really cost a lot, not everyone could afford to buy it.
A major variant of football is arena football, played by the Arena Football League (AFL). Arena football has eight-player teams and uses an indoor field 50 yards (46 m) in length, excluding end zones, and 28.3 yards (25.9 m) wide. Punting is illegal, and kickoffs are attempted from the goal line.
American Football. Teams may have up to 53 players on roster, of which 45 may play in each game. There can be 11 on the field at one time. There is no limit on substitutions. Association Football. Teams may have up to 18 players, of which 11 can be on the field at one time. Only three substitutes may be used per game.