Version 10.4, Tiger, reportedly shocked executives at Microsoft by offering a number of features, such as fast file searching and improved graphics processing, that Microsoft had spent several years struggling to add to Windows with acceptable performance.Targeting the consumer and media markets, Apple emphasized its new "digital lifestyle" applications such as the i Life suite, integrated home entertainment through the Front Row media center and the Safari web browser.With increasing popularity of the internet, Apple offered additional online services, including the . It later began selling third-party applications through the Mac App Store.
designed to run on Apple's Macintosh computers ("Macs"). Within the market of desktop, laptop and home computers, and by web usage, it is the second most widely used desktop OS, after Microsoft Windows.
Mac OS X 10.5 Leopard was released as a Universal binary, meaning the installer disc supported both Intel and Power PC processors.
In 2009, Apple released Mac OS X 10.6 Snow Leopard, which ran exclusively on Intel-based Macs.
mac OS is based on technologies developed at Ne XT between 19, when Apple acquired the company.
The "X" in Mac OS X and OS X is the Roman numeral for the number 10 and is pronounced as such.