Operating systems and Linux distributions: Difference between revisions

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 ==Mac OS X==
-Mac OS X is a proprietary [http://en.wikipedia.org/wiki/FreeBSD BSD]-unix-derived operating system that runs on Apple's computers. The BSD-subsystem, called [http://en.wikipedia.org/wiki/Darwin_(operating_system) Darwin], attempts to be open-source. Unlike most other flavors of unix, OS X is not based on an [http://en.wikipedia.org/wiki/X_Window_System  X11 windowing system], but instead uses a proprietary [http://en.wikipedia.org/wiki/Aqua_(user_interface) Aqua] graphical user interface. For crystallographers and others who need the conventional X11 windowing system, an [http://trac.macosforge.org/projects/xquartz Xserver for OS X] is available, and installs by default on the most current version of OS X.
+Mac OS X is a proprietary [http://en.wikipedia.org/wiki/FreeBSD BSD]-Unix-derived operating system that runs on Apple's computers. The BSD-subsystem, called [http://en.wikipedia.org/wiki/Darwin_(operating_system) Darwin], attempts to be open-source. Unlike most other flavors of Unix, OS X is not based on an [http://en.wikipedia.org/wiki/X_Window_System  X11 windowing system], but instead uses a proprietary [http://en.wikipedia.org/wiki/Aqua_(user_interface) Aqua] graphical user interface. For crystallographers and others who need the conventional X11 windowing system, an [http://trac.macosforge.org/projects/xquartz Xserver for OS X] is available, and can be easily installed on all versions of OS X.
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