Marklar was rumored to be the codename for the project at Apple Computer that kept Mac OS X compiling and running on the Intel x86 microprocessor architecture. The existence of such a project—though not its name—was confirmed by Apple at their Worldwide Developers Conference on June 6, 2005, when CEO Steve Jobs announced that the next generation of Macintosh computers would contain Intel microprocessors. Jobs said that the project had been active for the previous five years, calling it Mac OS X's "secret double life." Marklar echoed an earlier project with a similar goal, Project Star Trek, which maintained an Intel-compatible version of System 7. Apple Computer, Inc. ... Mac OS X is the operating system which is included with all currently shipping Apple Macintosh computers in the consumer and professional markets. ... It has been suggested that this article or section be merged with Compile (software company). ... Intel Corporation (NASDAQ: INTC, HKEx: 4335), founded in 1968 as Integrated Electronics Corporation, is a U.S.-based multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... x86 or 80x86 is the generic name of a microprocessor architecture first developed and manufactured by Intel. ... Microprocessors, including an Intel 80486DX2 and an Intel 80386 A microprocessor (sometimes abbreviated µP) is a digital electronic component with miniaturized transistors on a single semiconductor integrated circuit (IC). ... WWDC 2005, at Moscone Center The Worldwide Developers Conference, commonly abbreviated WWDC, is an annual trade show for Apple developers. ... June 6 is the 157th day of the year in the Gregorian calendar (158th in leap years), with 208 days remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... Steven Paul Jobs (born February 24, 1955) is the CEO of Apple Computer and one of the leading figures in the computer industry. ... The first Macintosh computer, introduced in 1984. ... Star Trek was the code name given to a prototype project at Apple Computer during 1992 and 1993. ... System 7 (codenamed Big Bang) was a version of Mac OS, the operating system of the Apple Macintosh computer. ...

One of the best-kept secrets about Marklar until shortly before its release was the inclusion of Rosetta, a functionality that allows Intel processors to run PowerPC-constructed Macintosh applications, ensuring continuity for consumers during the transition from Mac OS X to Marklar-derived versions of the operating system. Rosetta is a lightweight dynamic translating emulator for Mac OS X developed by Apple to enable applications compiled specifically for the PowerPC family of processors to run on Apple systems based on Intel processors. ... The Apple Intel transition is an announced change in the architecture of the Macintosh platform. ...

The community-used version is also known as OSx86. OSx86 is an unofficial term used for Apples Mac OS X port on the Intel x86 architecture, the Apple internal project name supposedly being Marklar. ...

The codename is possibly a reference to an all-purpose generic word commonly used by a fictional race of aliens called Marklar who appear in an episode of the television show South Park. The Marklars are a fictional alien race that featured in an episode of the animated series South Park. ... For other uses, see South Park (disambiguation). ...

Reference

• "Apple keeps x86 torch lit with 'Marklar'" (eWeek, August 30, 2002)