XNU

E41424
hybrid kernel operating system kernel

XNU is the hybrid operating system kernel developed by Apple that powers macOS and other Apple platforms, combining components from Mach and BSD.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (5)

Label Occurrences
XNU canonical 26
XNU kernel 5
Mach microkernel 1

Statements (48)

Predicate Object
instanceOf hybrid kernel ⓘ
operating system kernel ⓘ
basedOn BSD ⓘ
GNU Hurd ⓘ
surface form: Mach microkernel
component BSD kernel code ⓘ
I/O Kit ⓘ
Mach ⓘ
developer Apple Inc. ⓘ
introducedBy Apple NeXT acquisition integration ⓘ
kernelType hybrid ⓘ
license Apple Public Source License ⓘ
notableFor combining Mach microkernel with BSD monolithic components ⓘ
forming the core of Apple operating systems ⓘ
operatingSystem iOS ⓘ
iPadOS ⓘ
macOS ⓘ
tvOS ⓘ
visionOS ⓘ
watchOS ⓘ
origin NeXTSTEP kernel ⓘ
partOf Darwin operating system ⓘ
programmingLanguage C ⓘ
C++ ⓘ
assembly language ⓘ
repository https://github.com/apple-oss-distributions/xnu ⓘ
supportsFeature 64-bit kernel mode ⓘ
Grand Central Dispatch integration ⓘ
Mach messages ⓘ
POSIX ⓘ
surface form: POSIX APIs

UNIX-like process model ⓘ
address space layout randomization ⓘ
code signing enforcement ⓘ
copy-on-write memory ⓘ
interprocess communication ⓘ
kernel extensions ⓘ
kernel-level threads ⓘ
preemptive multitasking ⓘ
sandboxing ⓘ
symmetric multiprocessing ⓘ
user and kernel address spaces separation ⓘ
virtual memory ⓘ
usedBy Apple TV ⓘ
Vision Pro ⓘ
surface form: Apple Vision Pro

Apple Watch ⓘ
Apple desktop computers ⓘ
Apple laptop computers ⓘ
iPad ⓘ
iPhone ⓘ

Referenced by (34)

Full triples — surface form annotated when it differs from this entity's canonical label.

macOS → kernel → XNU ⓘ
iOS → kernel → XNU ⓘ
watchOS → kernel → XNU ⓘ
iPadOS → kernel → XNU ⓘ
tvOS → kernelType → XNU ⓘ
visionOS → kernel → XNU ⓘ
Mac OS X 10.0 Cheetah → kernelName → XNU ⓘ
Darwin → basedOn → XNU ⓘ
this entity surface form: Mach microkernel
Darwin → includesComponent → XNU ⓘ
this entity surface form: XNU kernel
audioOS → kernelType → XNU ⓘ
Mac OS X 10.6 Snow Leopard → kernelName → XNU ⓘ
Mac OS X 10.1 Puma → kernelName → XNU ⓘ
Mac OS X 10.2 Jaguar → kernelName → XNU ⓘ
Mac OS X 10.3 Panther → kernelName → XNU ⓘ
Mac OS X 10.5 Leopard → kernelName → XNU ⓘ
Mach → influenced → XNU ⓘ
this entity surface form: macOS kernel (XNU)
Mach → influenced → XNU ⓘ
this entity surface form: iOS kernel (XNU)
Mach → usedIn → XNU ⓘ
this entity surface form: XNU kernel
Apple Public Source License → usedFor → XNU ⓘ
this entity surface form: XNU kernel
Darwin operating system → kernelName → XNU ⓘ
subject surface form: Darwin (operating system)
Darwin operating system → includesComponent → XNU ⓘ
subject surface form: Darwin (operating system)
this entity surface form: XNU kernel
OS X Mountain Lion → kernelName → XNU ⓘ
macOS Yosemite 10.10.3 → kernelName → XNU ⓘ
Mac OS X 10.7 Lion → kernelName → XNU ⓘ
macOS Sierra → kernelName → XNU ⓘ
macOS Catalina → kernelName → XNU ⓘ
macOS Big Sur → kernelName → XNU ⓘ
Cheetah → kernelName → XNU ⓘ
macOS Monterey → kernel → XNU ⓘ
macOS Ventura → kernel → XNU ⓘ
Mac OS X 10.4 Tiger → kernelName → XNU ⓘ
macOS Sonoma → kernelName → XNU ⓘ
bridgeOS → kernelType → XNU ⓘ
Mach microkernel → influenced → XNU ⓘ
this entity surface form: XNU kernel