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.
Nine 3-year-olds were entered for the 138th Preakness Stakes: The Preakness post position draw was held at the International Pavilion in the Pimlico Infield at 6 p.m. on May 15, 2013 and were broadcast live on HRTV using a blind draw. After the draw Orb was installed as the even money favorite securing the rail.
It is the second jewel of the Triple Crown, held two weeks after the Kentucky Derby and three weeks before the Belmont Stakes. First run in 1873, the Preakness Stakes was named by a former Maryland governor after a winning colt at Pimlico. The race has been termed The Run for the Black-Eyed Susans because a blanket of yellow flowers altered to resemble Maryland's state flower is placed around the winner's neck.