This page is all about the meaning, abbreviation and acronym of ACU explaining the definition or meaning and giving useful information of similar terms. ACU Stands For : Aironet Client Utility, Automatic Client Upgrade, Access Control Unit, Array Configuration Utility, Automatic Calling Unit, Automatic Calling Unit.
APSL, BSD, GPL v2, and Apple EULA and NDA. Preceded by. OS X Mavericks (version 10.9) is the tenth major release of OS X (now named macOS), Apple Inc.'s desktop and server operating system for Macintosh computers. OS X Mavericks was announced on June 10, 2013, at WWDC 2013, and was released on October 22, 2013, as a free upgrade through the Mac App Store worldwide.
Instead of using a bootable installation DVD, you download the latest OS X installer to your Mac and install the new OS from the same drive. With the debut of Mavericks, as with Mountain Lion and Lion, many Mac users are asking two related questions: (1) Can you perform a clean install of Mavericks? (2) Should you?