macOS - Wikipedia
https://en.wikipedia.org/wiki/MacOS
macOS (/ˌmækoʊˈɛs/; previously Mac OS X and later OS X) is a series of proprietary graphical operating systems developed and marketed by Apple Inc. since 2001.
Home | tonymacx86.com
https://www.tonymacx86.com/
Update any supported system using the built-in Software Update functionality through the System Preferences pane or by using the standalone installer available from Apple.com.
List of Mac OS versions | Apple Wiki | Fandom
https://apple.fandom.com/wiki/List_of_Mac_OS_versions
Note: The headings on this list indicate the Macintosh System bundle names; the bullet points indicate the version of the System File included in that bundle. This is to make it clearer for people searching for specific bundle versions as opposed to System File versions. Finder File versions are not indicated.
Os X
https://www.reddit.com/r/osx/
Looking for help with OS X? Try searching for it! Failing that, questions are more than welcome, but you are likely to get the most support when submitting to /r/AppleHelp instead.
Complete List Of Mac OS X & macOS Versions: First... - Macworld UK
https://www.macworld.co.uk/feature/mac/os-x-macos-versions-3662757/
Mac OS X was first introduced almost 20 years ago in September 2000. You'll find a complete list of OS X version code names, along with internal code names (if available)
OS X Yosemite: Everything We Know | MacRumors
https://www.macrumors.com/roundup/os-x/
OS X Yosemite was the late 2014 major update to the Mac operating system, including a revamped look and a number of new features like iCloud Drive and Continuity.
OS X Installation
https://imagej.nih.gov/ij/docs/install/osx.html
With OS X 10.7 or later, the first time you run ImageJ, you may get get an "ImageJ can't be opened because it is from an unidentified developer" message, which can be bypassed by right clicking on...
Hackintosh Instructions, Hackintosh How To Guides: Hackintosh.com
https://hackintosh.com/
macOS Catalina and OS X Mojave Hackintosh instructions, tutorials, step-by-step how to guides and installation videos; Hackintosh systems, parts and more.