Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by a product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.
- History Of ITunes - Wikipedia
- List Of Mac Os Releases
- 4. Startup - Mac OS X For Unix Geeks, 4th Edition [Book]
- Owners of iPhone, iPad, iPod, Mac, or Apple TV products may obtain service and parts from Apple service providers, including Apple Retail Stores and Independent Repair Providers, for 5 years from when Apple last distributed the product for sale. Service and parts may be obtained for longer, as required by law, or for an additional two years, subject to parts availability. Apple discontinues.
- And now with the power of the new LiDAR Scanner, iPhone 12 Pro, iPhone 12 Pro Max, 12.9‑inch iPad Pro (4th generation), and 11‑inch iPad Pro (2nd generation) can determine a person’s proximity to you.
The most striking difference between Mac OS X and other flavors of Unix is in how Mac OS X handles the boot process. Gone are the /etc/inittab and /etc/init.d from traditional Unix systems. In their place is a BSD-like startup sequence sandwiched between a Mach 2 foundation and the Aqua user interface. Updated for Mac OS X 10.6 and 10.7, this fourth edition includes coverage of Xcode 4, blocks, view-based table views, Apple’s new approach to memory management (Automatic Reference Counting), and the Mac App Store. This edition adds a new chapter on concurrency and expands coverage of Core Animation. January 15, 2008 saw the release of version 1.1, which added support for iTunes movie rentals, music song lyrics support and included more unspecified bugfixes. Apple released update version 1.1.2 in May 2008 and version 1.1.3 in July 2008 with even more bug fixes.
If your macOS isn't up to date, you may be able to update to a later version.
![Mac Mac](https://upload.wikimedia.org/wikipedia/en/thumb/8/82/Snow_Leopard_Desktop.png/300px-Snow_Leopard_Desktop.png)
Which macOS version is installed?
From the Apple menu in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.
Which macOS version is the latest?
These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Big Sur. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.
If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.
macOS | Latest version |
---|---|
macOS Big Sur | 11.3 |
macOS Catalina | 10.15.7 |
macOS Mojave | 10.14.6 |
macOS High Sierra | 10.13.6 |
macOS Sierra | 10.12.6 |
OS X El Capitan | 10.11.6 |
OS X Yosemite | 10.10.5 |
OS X Mavericks | 10.9.5 |
OS X Mountain Lion | 10.8.5 |
OS X Lion | 10.7.5 |
Mac OS X Snow Leopard | 10.6.8 |
Mac OS X Leopard | 10.5.8 |
Mac OS X Tiger | 10.4.11 |
Mac OS X Panther | 10.3.9 |
Mac OS X Jaguar | 10.2.8 |
Mac OS X Puma | 10.1.5 |
Mac OS X Cheetah | 10.0.4 |
ADC Home>Reference Library>Reference>Mac OS X>Mac OS X Man Pages |
This document is a Mac OS X manual page. Manual pages are a command-line technologyfor providing documentation. You can view these manual pages locally using theman(1) command.These manual pages come from many different sources, and thus, have a variety of writingstyles. For more information about the manual page format, see the manual page for manpages(5). |
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4. Startup - Mac OS X For Unix Geeks, 4th Edition [Book]
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