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An exception to this was the Developer Transition Kit, which always reported the system version as "11.0". [9] macOS Big Sur started reporting the system version as "11.0" on all Macs as of the third beta release. To maintain backwards compatibility, macOS Big Sur identified itself as 10.16 to legacy software and in the browser user agent. [10]
macOS Monterey is the final version of macOS that supports the 2015–2017 MacBook Air, Retina MacBook Pro, 2014 Mac Mini, 2015 iMac and cylindrical Mac Pro, as its successor, macOS Ventura, drops support for those models. It is the last version of macOS that can run on Macs with 4GB of RAM.
In Mac OS X v10.5 Quartz 2D Extreme was renamed to QuartzGL. The Quartz Compositor is the compositing engine used by macOS. In Mac OS X Jaguar and later, the Quartz Compositor can use the graphics accelerator (GPU) to vastly improve composition performance. This technology is known as Quartz Extreme and is enabled automatically on systems with ...
The purpose of overclocking is to increase the operating speed of a given component. [3] Normally, on modern systems, the target of overclocking is increasing the performance of a major chip or subsystem, such as the main processor or graphics controller, but other components, such as system memory or system buses (generally on the motherboard), are commonly involved.
macOS Sequoia (version 15) is the twenty-first and current major release of Apple's macOS operating system, the successor to macOS Sonoma. It was announced at WWDC 2024 on June 10, 2024. [ 4 ] In line with Apple's practice of naming macOS releases after landmarks in California , it is named after Sequoia National Park , located in the Sierra ...
Mac OS X 10.4 Tiger: Mac OS X 10.5 Leopard: Mac OS X 10.6 Snow Leopard: Mac OS X 10.7 Lion: Latest release Mac OS X 10.7 Lion if at least 2 GB RAM installed, otherwise Mac OS X 10.6 Snow Leopard: OS X 10.11 El Capitan: macOS 10.14 Mojave if upgraded with a Metal-capable GPU, otherwise macOS 10.13 High Sierra [43]
The first version of Mac OS X, Mac OS X Server 1.0, was a transitional product, featuring an interface resembling the classic Mac OS, though it was not compatible with software designed for the older system. Consumer releases of Mac OS X included more backward compatibility
The system was originally marketed as simply "version 10" of Mac OS, but it has a history that is largely independent of the classic Mac OS. It is a Unix -based operating system [ 11 ] [ 12 ] built on NeXTSTEP and other NeXT technology from the late 1980s until early 1997, when Apple purchased the company and its CEO Steve Jobs returned to ...