Mavericks Osx Here
Mavericks wasn't about flashy visual redesigns. It was about efficiency. If you were a MacBook user in 2013, this update changed your life.
Terminal: defaults write NSGlobalDomain NSAppNapDebug -bool YES mavericks osx
OS X Mavericks: The Release That Redefined Mac Software Released on October 22, 2013, marked a historic turning point in the evolution of the Mac operating system. Beyond its features, it fundamentally changed Apple's business model by becoming the first version of OS X offered as a free upgrade to all Mac users, a practice that continues today. Mavericks wasn't about flashy visual redesigns