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Mac OS X 10.7.1 was the last version of Mac OS X released under CEO Steve Jobs. 10.7.2 and later were released under CEO Tim Cook. 10.7.5 added Gatekeeper. [ 14 ] Lion is the first version of macOS that did not support 32-bit processors and is also the final release whose development was overseen by Bertrand Serlet , considered to be the ...
The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9 , was a direct descendant of the operating system Apple had used in its Mac computers since their ...
Mac OS X 10.4 Tiger: Mac OS X 10.5 Leopard: Latest release Mac OS X 10.6.8 Snow Leopard (If only 512 MB RAM are installed, then only 10.5.8) Mac OS X 10.7.5 Lion (If only 512 MB or 1 GB RAM are or is installed, then only 10.5.8 or 10.6.8 respectively) Mac OS X 10.7.5 Lion (If only 1 GB RAM is installed, then only 10.6.8) OS X 10.11 El Capitan ...
In 2009, Apple announced at WWDC that Mac OS X 10.6 Snow Leopard would drop support for PowerPC processors and be Intel-only. [135] Rosetta continued to be offered as an optional download or installation choice in Snow Leopard before it was discontinued with Mac OS X 10.7 Lion. [136]
Gatekeeper builds upon File Quarantine, which was introduced in Mac OS X Leopard (10.5) and expanded in Mac OS X Snow Leopard (10.6). [3] [4] The feature originated in version 10.7.3 of Mac OS X Lion as the command-line utility spctl.
Mac OS X 10.4 Tiger: Mac OS X 10.5 Leopard: Mac OS X 10.6 Snow Leopard: Latest release Mac OS X 10.6 Snow Leopard if at least 1 GB RAM installed, otherwise Mac OS X 10.5 Leopard: Mac OS X 10.7 Lion if at least 2 GB RAM installed, otherwise Mac OS X 10.6 Snow Leopard [57]
Mac OS X 10.0 (code named Cheetah) is the first major release of macOS, Apple's desktop and server operating system. It was released on March 24, 2001, for a price of $129 after a public beta. Mac OS X was Apple's successor to the classic Mac OS.
It is also possible to install macOS versions in a VM: macOS Big Sur 11, macOS Catalina 10.15, macOS Mojave 10.14, macOS High Sierra 10.13, macOS Sierra 10.12, OS X El Capitan 10.11, OS X Yosemite 10.10, OS X Mavericks 10.9, OS X Mountain Lion 10.8, OS X Lion 10.7, OS X Lion Server 10.7, Mac OS X Snow Leopard Server 10.6, Mac OS X Leopard ...