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.
American Pharoah won Saturday's Kentucky Derby beating Firing Line and Dortmund. The Preakness Stakes on May 16 will be next for the winner who is trying to become the 12th horse to win the Triple Crown. The last horse to sweep the Kentucky Derby, Preakness Stakes and Belmont Stakes was Affirmed in 1978.