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.
What You Need for a Clean Install of OS X Mavericks. 1  The OS X Mavericks Installer, available from the Mac App Store. 2  A Mac that meets the minimum requirements for OS X Mavericks. 3  A backup of your current startup drive. 4  A startup drive that contains OS X Snow Leopard or later, and that you're willing to erase.