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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 ...
Consumer releases of Mac OS X included more backward compatibility. Mac OS applications could be rewritten to run natively via the Carbon API; many could also be run directly through the Classic Environment with a reduction in performance. The consumer version of Mac OS X was launched in 2001 with Mac OS X 10.0.
The PowerPC 970 ("G5") was the first 64-bit Mac processor. The PowerPC 970MP was the first dual-core Mac processor and the first to be found in a quad-core configuration. It was also the first Mac processor with partitioning and virtualization capabilities. Apple only used three variants of the G5, and soon moved entirely onto Intel architecture.
Similar to Sonoma, the 2019 iMac is the only supported Intel Mac that lacks a T2 security chip. macOS Sequoia is the first version of macOS to drop support for a Mac with a T2 security chip. The following devices are compatible with macOS Sequoia: [2] iMac (2019 and later) iMac Pro (2017) MacBook Air (2020 and later) MacBook Pro (2018 and later)
This is a list of all major types of Mac computers produced by Apple Inc. in order of introduction date. Macintosh Performa models were often physically identical to other models, in which case they are omitted in favor of the identical twin. Also not listed are model numbers that identify software bundles.
The 2019 iMac is the only Sonoma-supported Intel Mac that lacks a T2 chip. Mac models that support macOS Sonoma are as follows. [26] iMac (2019 and later) iMac Pro (2017) MacBook Air (2018 and later) MacBook Pro (2018 and later) Mac Mini (2018 and later) Mac Pro (2019 and later) Mac Studio (all models)
Starting with Lion, there is no separate Mac OS X Server operating system. Instead the server components are a separate download from the Mac App Store. Mac OS X Lion Server – 10.7 – also marketed as OS X Lion Server; OS X Mountain Lion Server – 10.8 – also marketed as Mountain Lion Server
macOS Ventura supports Macs with Apple silicon and Intel's Xeon-W and 7th-generation Kaby Lake chips or later, and drops support for Macs released from 2015 to 2016, officially marking the end of support for the Retina MacBook Pro, 2015-2017 MacBook Air, 2014 Mac Mini, 2015 iMac and cylindrical Mac Pro. The 21.5 inch 2017 iMac is the only ...