It was the final version that was released beneath the name OS X, its successor, Sierra, was given the name under Mac OS X due to the reason that OS X is now named Mac OS. Mac OS El Capitan was given its name behind a type of rock formation that is found in the Yosemite National Park, focusing its predefined goals towards a refined edition of Yosemite. Being the successor of OS X Yosemite, it mainly focuses on stability, performance, and security.
It was majorly released for server OS for Macintosh computers and Apple Inc.’s desktop. Mac OS X El Capitan: Being the 12th major release of macOS, Mac OS X El Capitan belongs to the Macintosh-Unix family of OS.