 Je to de facto UNIX  Verze  10.0 Cheetah – 24.3.2001  10.1 Puma – 25.9.2001  10.2 Jaguar – 23.8.2002  10.3 Panther – 24.10.2003  10.4 Tiger – 29.5.2005  10.5 Leopard – 26.10.2007  10.6 Snow Leopard – 29.8.2009  10.7 Lion – 20.7.2011  10.8 Mountain Lion – 19.7.2012
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