APPLE:OS X MOUNTAIN LION-LATEST VERSION OS IN APPLE FAMILY.

Screenshot of OS X Mountain Lion

Company / developer   :Apple Inc.
Programmed in                    :C, C++, Objective-C[1][2]
OS family                            :Mac OS, Unix-like (until Mac OS X 10.5), Unix (From Mac OS X 10.5)[3][4][5][6][7]
Working state                    :Current
Source model                    :Closed source (with open source components)
Initial release                    :March 24, 2001; 11 years ago
Latest stable release            :10.8.2 (Build 12C60) [8] [edit]  (September 19, 2012; 3 months ago) [±]
Latest unstable release    10.8.3 [±]
Marketing target            :Personal computing
Available language(s)    :Multi-lingual
Update method                    :Apple Software Update
Mac App store
Supported platforms
                                          :x86-64: versions 10.4.7 through 10.8
                                           IA-32: versions 10.4.4 through 10.6.8
                                           PowerPC: versions 10.0 through 10.5.8
Kernel type                       : Hybrid (XNU)
Default user interface          :Graphical (Aqua)
License                          :Proprietary EULA
Preceded by                  :Mac OS 9
Official website                  :www.apple.com/osx