Part of the Operating systems glossary: Mac OS is the computer operating system for Apple Computer's Macintosh line of personal computers and workstations. A popular feature of its latest version, Mac OS X, is a desktop interface with some 3-D appearance characteristics.
The Preakness Stakes is an American flat thoroughbred horse race held on the third Saturday in May each year at Pimlico Race Course in Baltimore, Maryland. It is a Grade I race run over a distance of 9.5 furlongs (13â16 miles (1,900 m)) on dirt.
The start of the 2014 Preakness Stakes, an American Thoroughbred horse race. Thoroughbred horse racing is a worldwide sport and industry involving the racing of Thoroughbred horses. It is governed by different national bodies. There are two forms of the sport: Flat racing and jump racing, called National Hunt racing in the UK and steeplechasing in the US.