Mach

E215073

kernel architecture microkernel operating system kernel

Mach is a pioneering microkernel-based operating system kernel architecture that introduced advanced concepts like message passing and modularity, influencing many modern OS designs.

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All labels observed (2)

Label	Occurrences
Mach canonical	1
Mach 2.5	1

Statements (54)

Predicate	Object
instanceOf	kernel architecture ⓘ microkernel ⓘ operating system kernel ⓘ
architectureType	microkernel ⓘ
basedOn	BSD ⓘ surface form: 4.2BSD Unix ⓘ surface form: UNIX
countryOfOrigin	United States of America ⓘ surface form: United States
designGoal	modularity ⓘ portability ⓘ separation of policy and mechanism ⓘ support for distributed systems ⓘ support for multiprocessors ⓘ
developer	CMU ⓘ surface form: Carnegie Mellon University
field	operating systems ⓘ
implementsConcept	capability-based security (via ports) ⓘ interprocess communication ⓘ message passing ⓘ microkernel architecture ⓘ modularity ⓘ port-based communication ⓘ virtual memory management ⓘ
influenced	GNU Hurd ⓘ Lites ⓘ GNU Hurd ⓘ surface form: MkLinux NeXTSTEP ⓘ OPENSTEP ⓘ OSF/1 ⓘ XNU ⓘ surface form: iOS kernel (XNU) XNU ⓘ surface form: macOS kernel (XNU) microkernel research kernels ⓘ
influencedBy	Accent operating system ⓘ Unix ⓘ surface form: UNIX
kernelType	message-passing kernel ⓘ
notableFor	influencing modern hybrid kernels such as XNU ⓘ pioneering microkernel design in mainstream OS research ⓘ
notableVersion	Mach number ⓘ surface form: Mach 2.5 Mach 3.0 ⓘ
providesAbstraction	memory objects ⓘ messages ⓘ ports ⓘ tasks ⓘ threads ⓘ
researchProjectAt	CMU ⓘ surface form: Carnegie Mellon University
supports	symmetric multiprocessing (in later versions) ⓘ
supportsFeature	distributed computing primitives ⓘ external pagers ⓘ task and thread abstraction ⓘ user-space device drivers (in some designs) ⓘ
usedIn	GNU Hurd ⓘ surface form: GNU Hurd (as a microkernel) GNU Hurd ⓘ surface form: MkLinux NeXTSTEP ⓘ OPENSTEP ⓘ OSF/1 ⓘ XNU ⓘ surface form: XNU kernel

Referenced by (2)

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

XNU → component → Mach ⓘ

Mach microkernel → notableVersion → Mach ⓘ

this entity surface form: Mach 2.5