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The operating system is named after Monterey Bay, continuing the trend of releases named after California locations since 2013's 10.9 Mavericks. 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 ...
The system volume containing the core operating system is cryptographically signed. Apple indicates this is a security measure to prevent malicious tampering. [31] This includes adding an SHA-256 hash for every file on the system volume, preventing changes from third-party entities and the end user. [32]
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 ...
macOS Sonoma (version 14) is the twentieth major release of macOS, Apple's operating system for Mac computers. The successor to macOS Ventura, it was announced at WWDC 2023 on June 5, 2023, [3] and released on September 26, 2023.
The original operating system for the Macintosh was the classic Mac OS, which was introduced in early 1984 as System Software. In 1997, System Software was renamed Mac OS. In 1999, Mac OS X Server 1.0 was released, followed by Mac OS X 10.0, the first consumer release of the Mac OS X.
Apple File System (APFS) replaces HFS Plus as the default file system in macOS for the first time with High Sierra. [4] It supports 64‑bit inode numbers , is designed for flash memory , and is designed to speed up common tasks like duplicating a file and finding the size of a folder's contents.
In February 2007, the MacBook was recalled because the graphics card and hard drive caused the computer to overheat, which would force the unit to shut down. [citation needed] Some early polycarbonate MacBook models suffered from random shutdowns; Apple released a firmware update to resolve them. [11]
This in turn allows GS/OS to offer vast speed optimizations (loading time, disk access, screen updates) compared with the previous OS, and provided room to incorporate many features of other Apple operating systems, including Apple III Apple SOS, the Macintosh System 5, as well as concepts and features that would later appear in future ...