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.
Finally, on race day, it's riders up! when all the televised action takes place from Pimlico on NBC beginning at 4:30 PM ET on Saturday, May 20, 2017 with post time approx, 6:20 PM ET. â¢ The Preakness is named after the horse who won the first stakes ever run in Pimlico when its doors first opened on May 27, 1873.