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Mac OS X is based on the XNU kernel, a microkernel Mach kernel with a BSD userland, which makes Mac OS X's kernel a hybrid-kernel.

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Does Mac OS X use a Linux or a BSD kernel?

Mac OS X uses a Mach kernel and FreeBSD utilities at it's core.


What latest kernel used in MAC OS?

The Mac OS X Kernel is a hybrid based on the XNU kernel derived from the former NextStep implementations. Much of the code is open source and freely available. (See links below)


Which kernel platform can be used to run a Macintosh OS X system?

Mac OS X is built on the XNU (X is Not Unix) kernel which is a hybrid combining elements of the Mach kernel and FreeBSD.


Is Mac OSX is a distribution of Linux?

OS X was forked from the FreeBSD 2.x/3.x branch. with kernel mods and the quartz userland. the various OS X releases have corresponding FreeBSD releases. it uses the FreeBSD mach microkernel with os9 compatibility. Darwin is the development builds of OS X versions. the FreeBSD guys backport OS X tech into their OS. OS X is opensource aside from the quartz userland. OS X also includes kernel components from the NeXT step operating system.


What is the engine behind Mac os X?

Mac OS X is based on UNIX.


The Mac OS X Server kernel is derived from an operating system called what?

Unix


What type of kernel structure does the Mac OS X operating system employ?

Mac OS X use Mach kernelmore about Mach: http://en.wikipedia.org/wiki/Mach_kernel


What is a Mac OS X PPC?

Mac OS X PPC is a version of Apple's Mac OS X operating system that runs on Power PC (PPC) architecture. This is opposed to Mac OS X for X86 which runs on Intel-based Macs. Mac OS X 10.0 through 10.5 can run on PowerPC based macs whereas Mac OS X 10.6 Snow Leopard will only run on Intel-based Macs.


It is now possible for Mac OS X to work on Intel-based computers?

Providing the Intel based computer is manufactured by Apple then their Mac OS X software can work on it. The Mac OS X user's licensing agreement prevents Mac OS X being used on computers that are not made by Apple.


Does Mac OS X have a Registry?

No, the Registry is a feature of Microsoft Windows only. Neither the original Mac OS or the newer Mac OS X have ever used a Registry, Mac OS X is based on Unix which has never used a Registry.


Is Mac OS X open-source and can companies other than Apple use it for their PCs?

The Darwin kernel of Mac OS X is open source, as are many other parts of the OS. (See links below) but Mac OS X itself is not open source and Apple only allows it to run on Apple hardware.


What does X stands for in OS X?

Mac OS X is pronounced Mac OS Ten. It follows on from Mac OS 9 which was the last version of what is now known as the classic Mac OS and it saw the introduction of the new UNIX based OS so the Roman numeral X was adopted to mark the change.