Mac+OS+X

__Mac OS__

__Definition:__ Mac OS X is the newest operating system in a line of Mac OS. It is the tenth version of Mac OS.

__History:__ As Mac released their new operating systems, they gave them a name based on "cats".
 * Mac OS X v10 "Cheetah" - March 24, 2001
 * Mac OS X v10.1 "Puma" - September 25, 2001 (6 months)
 * Mac OS X v10.2"Jaguar" - August 24, 2002 (11 months)
 * Mac OS X v10.3 "Panther" - October 24, 2003 (13 months)
 * Mac OS X v10.4 "Tiger" - April 29, 2005 (18 months)
 * Mac OS X v10.5 "Leopard" - October 26, 2007 (30 months)
 * Mac OS X v10.6 "Snow Leopard" - August 28, 2009 (22 months)
 * Mac OS X v10.7 "Lion"

Comparison:

__Purpose:__ Mac OS X allows users to access a wide range of apps and utilites.

__Links:__ [|Take a look at all the cool new apps and utilities found on Mac OS X.]

__References:__ [|Wikipedia] [|Apple]