Aug 15, 2018 · (Apple did make one exception for OS X 10.6, which never had a code-name beyond Snow Leopard.) Though Apple's external code-names for OS X switched to California places in 2013, the internal code-names remained wine-based until 2014. In 2015, the development team switched to types of apples, with OS X 10.11 El Capitan (AKA "Gala").
It was the first version of OS X exclusive to Intel Macs, and users upgraded to it from Tiger and Leopard in droves. By the time it was replaced in July 2011, it had 83% share among Intel Mac users visiting Low End Mac. With nearly two years as the current OS X version, it takes second place only to Tiger in that department. Mac OS X was first introduced almost 20 years ago in September 2000. With that anniversary coming up we have high hopes for the 20th anniversary version of the Mac operating system. WWDC this year will possibly feature this new version of macOS on an ARM based laptop/Macbook. If it's not Jan 18, 2018 · Mac OS X is Apple's operating system for its line of Macintosh computers. Its interface, known as Aqua, is built on a Unix foundation. Although it has much of the look and feel of the former Mac OS, features such as preemptive multitasking, symmetric multiprocessing, multithreading, and protected memory give Mac OS X improved stability and performance.
It's not that I don't have access to the compatible older version, I have multiple archived copies . The problem is the new incompatible version automatically installs over the old compatible version, despite not being able to run on this platform, requiring me to constantly go back and restore my archived copy. This happens at least once daily. ProductName: Mac OS X ProductVersion: 10.13.6 BuildVersion: 17G65 Each line can be asked for individually (mind the camelback notation): sw_vers -productVersion 10.13.6 sw_vers -productName Mac OS X sw_vers -buildVersion 17G65 Having said that, thanks for all the other solutions listed here