Mac OS X 10.5 Leopard was the sole release to be built as a universal binary, meaning that the installer disc supported both Intel and Power PC processors.Mac OS X 10.6 Snow Leopard was the first release to be available exclusively for Intel-based Macs.Mac OS applications could be rewritten to run natively via the Carbon API; many could also be run directly through the Classic Environment with a reduction in performance.The consumer version of Mac OS X was launched in 2001 with Mac OS X 10.0.As of mac OS Sierra: Arabic, Catalan, Croatian, Chinese (Simplified), Chinese (Traditional), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Slovak, Spanish (Mexico), Spanish (Spain), Swedish, Thai, Turkish, Ukrainian, Vietnamese) is a series of graphical operating systems developed and marketed by Apple Inc. It is the primary operating system for Apple's Mac family of computers.
Newer versions of Mac OS X also included modifications to the general interface, moving away from the striped gloss and transparency of the initial versions.
The latest version is mac OS High Sierra, which was publicly released in September 2017.
Between 19, Apple sold a separate series of operating systems called Mac OS X Server.
mac OS is the second major series of Macintosh operating systems.
The first is colloquially called the "classic" Mac OS, which was introduced in 1984, and the final release of which was Mac OS 9 in 1999.
The "X" in Mac OS X and OS X is the Roman numeral for the number 10 and is pronounced as such.