Introduction
In the summer of 2017, my family and I took a road trip to some scenic California locations—mostly in and around the Sierra Nevada mountain range, or as it’s known colloquially, the High Sierra. Our travels included a visit to Yosemite National Park, where of course we saw the massive El Capitan rock formation. We went to these places because they’re beautiful and relatively nearby, but the fact that they were also the namesakes of the last four versions of macOS was not lost on us. I’d like to think we found a bit of inspiration for working on our books about High Sierra, including this one.
Several times over the years, Apple has released new versions of the Mac operating system that focused mainly on performance improvements, ...
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