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Microkernel

In computer science, a microkernel (often abbreviated as μ-kernel) is the near-minimum amount of software that can provide the mechanisms needed to implement an operating system (OS). These mechanisms include low-level address space management, thread management, and inter-process communication (IPC).

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Overview

History

Introduction

Inter-process communication

Servers

Device drivers

Essential components and minimality

Performance

Security

Third generation

Examples

Nanokernel

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Map overview Semantic statistics

Microkernel

Nodes134
Edges133
Triples169
Avg. degree1.99
Density0.014925
Components1

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Microkernel

Top relations

related to Further reading · 58
Microkernel → An, An Architectural Overview, April, Archived, Barrera, Bibcode, Big, Black, Bohman, Bos, Byte, Can We Make Operating, Cite, CiteSeerX, Computer, Dan, Dean, Debunking Linus's Latest, Draves, Forin
related to history · 20
Microkernel → Besides, Brinch Hansen, Danish, Following Brinch Hansen's, In, It, Its, Microkernels, Moreover, Multiprogramming System, New, OS, Per Brinch Hansen, Poland, RC, Regnecentralen, The, They, This, Zakłady Azotowe Puławy
related to Security · 18
Microkernel → Again, As, At, B3/A1, CC, Consequently, Defense Trusted Computer System, Department, EAL, EROS, Evaluation Assurance Level, Evaluation Criteria, In, KeyKOS, Minimality, Minimizing, TCB, The
related to Examples · 14
Microkernel → AmigaOSAmoeba OSBlackBerry QNXGenodeHarmonyOS, HarmonyOS, HelenOSHorizon, LiteOS, Mac OS, Midori, Minix, Nintendo, Nintendo Switch, OS, Phantom OSQubes OSRedoxSymbian, Some, SymbOSThreadXZircon, The L4
related to Performance · 14
Microkernel → ChorusOS, CPU, However, In, IPC, Jochen Liedtke, L4, L4's IPC, Liedtke, Mach, Mach's, On, Performance, This
related to Third generation · 14
Microkernel → API, API's, Coyotos, EROS, EROS API, Examples, Fiasco, L4, More, Nova, OC, Redox, The, This
related to Nanokernel · 9
Microkernel → Adeos, Both, It, Jonathan, Mach, Shapiro, Subsequent, The, The KeyKOS NanoKernel Architecture
related to Inter-process communication · 8
Microkernel → Asynchronous IPC, In, Inter-process, IPC, It, Most, Shared, The
related to Servers · 5
Microkernel → QNX, The, This, Unix, With
related to Essential components and minimality · 4
Microkernel → As, At, CPU, Some

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Important terminology

kernel system ipc microkernels systems operating drivers code performance mach servers also device qnx design server monolithic kernels l4 communication

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Microkernelis agood IPC system and virtual-memory-manager design that allows implementing page-fault handling and swapping in user-mode servers in a safe way0.90text
Machinstance ofand first-generation microkernels0.80text
ChorusOS indeed performed poorlyinstance ofand first-generation microkernels0.80text
L4instance ofL4's IPC performance is still unbeaten across a range of architectures.While these results demonstrate that the poor performance of systems based on first-generation microkernel…0.80text
this constitutes no proof that microkernel-based systems can be built with good performanceinstance ofL4's IPC performance is still unbeaten across a range of architectures.While these results demonstrate that the poor performance of systems based on first-generation microkernel…0.80text
Microkernelrelated to Essential components and minimalityAs0.60section
Microkernelrelated to Essential components and minimalityAt0.60section
Microkernelrelated to Essential components and minimalitySome0.60section
Microkernelrelated to Essential components and minimalityCPU0.60section
Microkernelrelated to ExamplesSome0.60section
Microkernelrelated to ExamplesAmigaOSAmoeba OSBlackBerry QNXGenodeHarmonyOS0.60section
Microkernelrelated to ExamplesHarmonyOS0.60section

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