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Kernel that provides fewer services than a traditional kernel
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
Microkernel
Family of second-generation microkernels
L4 is a family of second-generation microkernels, used to implement a variety of types of operating systems (OS), though mostly for Unix-like, Portable
L4_microkernel_family
Core of a computer operating system
modified microkernel, as the Windows NT kernel was influenced by the Mach microkernel but does not meet all of the criteria of a pure microkernel. Supervisory
Kernel_(operating_system)
Operating system microkernel
considered one of the earliest examples of a microkernel. Nonetheless, not all versions of Mach are microkernels. Mach's derivatives are the basis of the
Mach_(kernel)
OS that runs entirely in kernel-mode
space. The monolithic model differs from other architectures such as the microkernel in that it alone defines a high-level virtual interface over computer
Monolithic_kernel
Capability-based operating system
verification techniques. The L4.sec system, which is a successor to the L4 microkernel family, is a capability-based system, and has been significantly influenced
EROS_(microkernel)
Defunct French software company
primary product was the Chorus distributed microkernel operating system, created at a time when microkernel technology was thought to have great promise
Chorus_Systèmes_SA
1990s debate regarding the Linux kernel
began the debate in Usenet discussion group comp.os.minix, arguing that microkernels are superior to monolithic kernels and therefore Linux was, even in 1992
Tanenbaum–Torvalds_debate
Computer operating system
MkLinux (Microkernel Linux) is a discontinued open-source experimental operating system for PowerPC Macintosh computers. It was launched in 1995 as a
MkLinux
Unix-like operating system
MINIX is a Unix-like operating system based on a microkernel architecture, first released in 1987 and written by American-Dutch computer scientist Andrew
Minix
Type of operating system kernel
kernel whose architecture attempts to combine aspects and benefits of microkernel and monolithic kernel architectures used in operating systems.[unreliable
Hybrid_kernel
Operating system kernel designed as a replacement for Unix
GNU Hurd is a collection of microkernel servers written as part of GNU, for the GNU Mach microkernel. It has been under development since 1990 by the GNU
GNU_Hurd
Distributed operating system by Huawei
smart watches, personal computers and other smart devices. It has a microkernel design with a single framework: the operating system selects suitable
HarmonyOS
Free software collection
such as the TeX typesetting system, the X Window System, and the Mach microkernel that forms the basis of the GNU Mach core of GNU Hurd (the official kernel
GNU
Distributed operating system kernel
layer, Linux kernel, and LiteOS kernel. The HongMeng Kernel adopts a microkernel architecture, designed to enhance security by isolating critical system
HongMeng_Kernel
Software company (1992–1998)
unify all of the world's computers and operating systems with a single microkernel. From 1993 to 1996, Taligent was seen as competing with Microsoft Cairo
Taligent
U.S. information technology company
bootup, console access, etc.) The creation of a Traffic Management Microkernel (TMM) to directly talk to the networking hardware and handle all network
F5,_Inc.
Real-time operating system (RTOS) software
operating systems, in which the students constructed a basic real-time microkernel and user programs. Both were convinced there was a commercial need for
QNX
Operating system by Google
Zircon, Google Fuchsia New Microkernel". April 15, 2018. Retrieved May 20, 2018. Written in C++, Zircon is composed of a microkernel plus a set of userspace
Fuchsia_(operating_system)
Mobile operating system by Apple
iOS is based on macOS. Like macOS, it includes components of the Mach microkernel and FreeBSD. It is a Unix-like operating system. Although some parts
IOS
Operating system designed to operate on multiple systems over a network computer
collaborative activities. These components abstract microkernel functions and support user applications. The microkernel and the management components collection
Distributed_operating_system
Distributed operating system
replaces the previous multikernel system with its own bespoke HarmonyOS microkernel. The rich execution environment (REE) version of the HongMeng kernel
HarmonyOS_5
Microkernel OS written in Rust
Redox is a Unix-like operating system based on a microkernel design. It is community-developed, released as free and open-source software and distributed
RedoxOS
Operating system
KasperskyOS is a proprietary, partially POSIX-compliant microkernel-based operating system built from scratch using secure-by-design principles. It was
KasperskyOS
Piece of software or hardware that creates and runs virtual machines
is a microkernel implementing virtualization infrastructure that must run in kernel-space for technical reasons, such as Intel VMX. Microkernels implementing
Hypervisor
Defunct 1990s operating system
operating systems with compatibility "personalities" running on a Mach-based microkernel. The intention was that personalities would allow a single machine to
Workplace_OS
operating system based on Mach microkernel) MeikOS NeXTSTEP (developed by NeXT; a Unix-based OS based on the Mach microkernel) OS-9 Unix-like RTOS. (OS from
List_of_operating_systems
Formally verified capability-based microkernel
high-assurance, capability-based microkernel. It inherits the performance and design characteristics of the L4 microkernel lineage but is implemented using
SeL4
Computer operating system
kernel. The hybrid kernel was designed as a modified microkernel, influenced by the Mach microkernel developed by Richard Rashid at Carnegie Mellon University
Microsoft_Windows
Microkernel
NuKernel is a microkernel that was developed at Apple Computer during the early 1990s. It was the basis for the Copland operating system. It was written
Nukernel
German computer scientist
computer scientist, noted for his work on microkernel operating systems, especially in creating the L4 microkernel family. In the mid-1970s Liedtke studied
Jochen_Liedtke
Modern reimplementation of Sixth Edition Unix
compared to Minix or Pintos), by kernel type (xv6 monolithic vs Minix microkernel vs Nachos user-space simulated), and by having more of modern techniques
Xv6
Topics referred to by the same term
is a mineral and gemstone. Zircon may also refer to: Zircon (microkernel), the microkernel of the operating system Google Fuchsia Cubic zirconia, a synthetic
Zircon_(disambiguation)
Implementation of C standard library for Linux operating system
version of musl is available for userspace code written for the seL4 microkernel, requiring users to implement the parts of the Linux system call interface
Musl
Operating system with Java virtual machine
native microkernel, running on platforms including ARM, PowerPC, SPARC, StrongARM, and IA-32 (x86). The Java virtual machine runs on the microkernel. All
JavaOS
Operating system
HelenOS is an operating system based on a multiserver microkernel design. The source code of HelenOS is written in C and published under the BSD-3-Clause
HelenOS
Operating system
Vanguard is a discontinued experimental microkernel developed at Apple Computer, in the research-oriented Apple Advanced Technology Group (ATG) in the
Vanguard_(microkernel)
Simple instructional operating system
Lacks (vs others) Minix 1 ~12k Microkernel C x86-16 ? Minix 2 ~23k Microkernel C x86-32 ? Minix 3 ~100k+ Microkernel C x86-32 —N/a Nachos ~15k No kernel
Pintos
Microkernel operating system
The V operating system is a discontinued microkernel distributed operating system that was developed by faculty and students in the Distributed Systems
V_(operating_system)
Topics referred to by the same term
Tweeters MachTen, a Unix-like operating system based on BSD and the Mach microkernel Mach-X, a comic book superhero alter-ego of Marvel Comics character Abner
Mach_10
Source code that alters its instructions to the hardware while executing
In computer science, self-modifying code (SMC or SMoC) is code that alters its own instructions while it is executing – usually to reduce the instruction
Self-modifying_code
Operating system kernel
GNU Mach is an implementation of the Mach microkernel. It is the default microkernel in the GNU Hurd. GNU Mach runs on IA-32 and x86-64 machines. GNU Mach
GNU_Mach
Microkernel real-time operating system
ChorusOS is a microkernel real-time operating system designed as a message passing computing model. ChorusOS began as the Chorus distributed real-time
ChorusOS
American software company
November 2008. Micro Velosity (stylized as μ-velOSity) is a real-time microkernel for resource-constrained devices. Green Hills produces compilers for
Green_Hills_Software
Software run in userspace that offers kernel functionality
hypervisor, an L4 microkernel using the Genode OS Framework or even on OS-less bare metal. An anykernel is different in concept from microkernels, exokernels
Rump_kernel
Computer programmer
Chorus Systèmes SA, he designed the real-time executive of the ChorusOS microkernel. From 1999 to 2001, he was the CTO of Mandrakesoft. From 2006 to 2014
Jean-Loup_Gailly
Computer system with a dedicated function
leading to the uptake of embedded middleware in addition to an RTOS. A microkernel allocates memory and switches the CPU to different threads of execution
Embedded_system
Operating system for the Nintendo Switch and Nintendo Switch 2
Nintendo Switch 2 hybrid video game consoles. It is based on a proprietary microkernel. The user interface (UI) includes the game library organized in a horizontal
Nintendo Switch system software
Nintendo_Switch_system_software
Unix-like operating system
Towards a true microkernel operating system (PDF) Construction of a Highly Dependable Operating System (PDF) Minix 3 and the microkernel experience: Smart
Minix_3
Linux distribution
that is altered to the extent that it can run paravirtualized on an L4 microkernel, where the L4Linux kernel runs a service. L4Linux is not a fork but a
L4Linux
Operating system
non-uniform memory access (NUMA) multiprocessing computers. K42 uses a microkernel architecture rather than the traditional monolithic kernel design. K42
K42
Workstation computer
speed of 25 MHz. Its NeXTSTEP operating system is based on the Mach microkernel and BSD-derived Unix, with a proprietary GUI using a Display PostScript-based
NeXT_Computer
Operating system kernel
multiplexing of resources, which is considerably simpler than conventional microkernels' implementation of message passing and monolithic kernels' implementation
Exokernel
Operating system
Lacks (vs others) Minix 1 ~12k Microkernel C x86-16 ? Minix 2 ~23k Microkernel C x86-32 ? Minix 3 ~100k+ Microkernel C x86-32 —N/a Nachos ~15k No kernel
Xinu
Computer operating system
1999, Apple announced it would release the source code for the Mach 2.5 microkernel, BSD Unix 4.4 OS, and the Apache Web server components of Mac OS X Server
Darwin_(operating_system)
Operating system that uses language features to provide security
address space switches needed by traditional OSes; because of this, microkernels are more popular than traditional systems.[citation needed] A more extreme
Language-based_system
Topics referred to by the same term
the rating scale Dark Triad Dirty Dozen Mach 4, a version of the Mach microkernel developed at the University of Utah Search for "mach-4" , "mach-iv",
Mach_4
Computer operating system kernel
the original Carnegie Mellon University Mach 3.0 microkernel. XNU doesn't use Mach as a microkernel, rather including other subsystems (such as the BSD
XNU
Software that manages computer hardware resources
any part of the kernel is compromised. A more secure design features microkernels that separate the kernel's privileges into many separate security domains
Operating_system
Operative System
Lacks (vs others) Minix 1 ~12k Microkernel C x86-16 ? Minix 2 ~23k Microkernel C x86-32 ? Minix 3 ~100k+ Microkernel C x86-32 —N/a Nachos ~15k No kernel
Not Another Completely Heuristic Operating System
Not_Another_Completely_Heuristic_Operating_System
Architecture (also known as Ports and Adapters) Layered architecture Microkernel architecture Pipes and Filters architecture Microservices (Modular) monolithic
List of software architecture styles and patterns
List_of_software_architecture_styles_and_patterns
Layer of protection in computer systems
mode. Other types of operating systems, like those with an exokernel or microkernel, do not necessarily share this behavior. Some examples from the PC world:
Protection_ring
security. Examples include: Hydra KeyKOS EROS Midori seL4 Genode Fuchsia HarmonyOS (Microkernel) (HarmonyOS NEXT) Phantom OS Control Program Facility v t e
Capability-based operating system
Capability-based_operating_system
Series of Unix operating systems from IBM
of a microkernel, called Virtual Resource Manager (VRM). The keyboard, mouse, display, disk drives and network are all controlled by a microkernel. One
IBM_AIX
Variant of Unix developed by the Open Software Foundation
release, although the adoption of a microkernel had already been foreseen. OSF/1 1.3 introduced such a microkernel in the form of Mach 3.0, hosting Unix
OSF/1
Operating system
upon a "preemptive, memory protected, multitasking, microkernel-based operating system". The microkernel was formerly provided by QNX; versions 6.0 up to
Cisco_IOS_XR
Topics referred to by the same term
(operating system), an early, discontinued, capability-based, object-oriented microkernel Hydra (software), a parallelized network login cracker built in various
Hydra
and physical layers is intermediated by an operation-system caliber microkernel that can perform various transparent optimization. The idea of using
NetKernel
Free and open-source software operating system
influenced by concurrent research at Dresden into virtualisation and microkernels which would itself mature into the NOVA microhypervisor subsequently
Genode
American computer scientist, Microsoft vice president
The technique that Windows NT uses is called a "microkernel" and was influenced by the Mach microkernel developed at Carnegie Mellon University. "TedxSeattle
Richard_Rashid
Educational programming language
allowing students to focus on top-down design, and bottom-up coding. The microkernel operating system Eumel began as a runtime system (environment) for ELAN
ELAN_(programming_language)
Discontinued mobile operating system
The Symbian OS platform is formed of two components: one being the microkernel-based operating system with its associated libraries, and the other being
Symbian
Signal to a computer processor emitted by hardware or software
Supercomputer operating system Kernel Architectures Exokernel Hybrid Microkernel Monolithic Multikernel vkernel Rump kernel Unikernel Components Device
Interrupt
Sharing of data between running processes in a computer system
distributed computing. IPC is very important to the design process for microkernels and nanokernels, which reduce the number of functionalities provided
Inter-process_communication
Java-based microkernel operating system
JX is a free, open source, microkernel operating system developed by the University of Erlangen with both the kernel and applications implemented using
JX_(operating_system)
Set of all computer components critical to its security
system. In operating systems, this typically consists of the kernel (or microkernel) and a select set of system utilities (for example, setuid programs and
Trusted_computing_base
Kernel of AmigaOS
Exec is the kernel of AmigaOS. It is a 13 KB multitasking microkernel which enabled pre-emptive multitasking in as little as 256 KB of memory (as supplied
Exec_(Amiga)
Microsoft operating system family
"executive". This was designed as a modified microkernel, as the Windows NT kernel was influenced by the Mach microkernel developed by Richard Rashid at Carnegie
Windows_NT
Android-based operating system developed by Xiaomi
and was announced in 2020. In 2019, Xiaomi pre-developed Mina OS, a microkernel security system. In 2021, following its decision to make automobiles
Xiaomi_HyperOS
support for memory protection, so the strong isolation goals of the microkernel design could not be achieved.[citation needed] The Amiga hardware lacked
Comparison of operating system kernels
Comparison_of_operating_system_kernels
Experimental operating system from Microsoft Research
using the Bartok compiler. Singularity is a microkernel operating system. Unlike most historic microkernels, its components execute in the same address
Singularity (operating system)
Singularity_(operating_system)
Real-time operating system
programs to hardware, etc. Early Zephyr kernels used a dual nanokernel plus microkernel design. In December 2016, with Zephyr 1.6, this changed to a monolithic
Zephyr_(operating_system)
Hybrid video game console
Switch runs a proprietary operating system named Horizon, built on a microkernel architecture. The Switch's user interface features tile-based access
Nintendo_Switch
Operating system kernel in PowerPC computers
multiprocessing, and message passing, and would be more properly called a microkernel. Unlike the 68k-derived Mac OS kernel running within it, the PowerPC
Mac_OS_nanokernel
Operating system by Apple
crashing. Copland was designed to consist of the Mac OS on top of a microkernel named Nukernel, which would handle basic tasks such as application startup
Copland_(operating_system)
Community Edition FreeJ FreePBX Frei0r Friendica Genenetwork Genode - Microkernel-based operating system framework Ghostscript Gitorious GlobaLeaks GNUnet
List of software under the GNU AGPL
List_of_software_under_the_GNU_AGPL
Canadian businessman and computer scientist
before moving to Stanford. Cheriton was involved in creating three microkernel operating systems (OSes). He was one of the early principal developers
David_Cheriton
Structure of the operating system
a traditional microkernel; the strict distinction between Executive and Kernel is the most prominent remnant of the original microkernel design, and historical
Architecture_of_Windows_NT
Proving or disproving the correctness of certain intended algorithms
operating systems have been formally verified: NICTA's Secure Embedded L4 microkernel, sold commercially as seL4 by OK Labs; OSEK/VDX based real-time operating
Formal_verification
Open-source database management system
MySQL v6.0 codebase and is designed around a central concept of having a microkernel architecture. Features such as the query cache and authentication system
Drizzle_(database_server)
Computer safety concept
Capsicum Genode Fuchsia HarmonyOS (OpenHarmony) Phantom OS RedoxOS L4 microkernel family: OKL4 from Open Kernel Labs seL4 from NICTA Fiasco.OC and NOVA
Capability-based_security
Topics referred to by the same term
(operating systems), placing higher-level operating system code within a microkernel for improved performance This disambiguation page lists articles associated
Colocation
Execution by one processor on behalf of another
another processor. Alien threads are implemented in the Fiasco.OC/L4 microkernel operating system. Federico Meza; Jorge Pérez R.; Yadran Eterovic (January
Alien_thread
Free Unix-like operating system kernel
comp.os.linux. The fact that Linux is a monolithic kernel rather than a microkernel was the topic of a debate between Andrew S. Tanenbaum, the creator of
Linux_kernel
Australian computer scientist
Chairman of the seL4 Foundation. Heiser's research focuses on microkernels, microkernel-based systems, and virtual machines, and emphasizes performance
Gernot_Heiser
Software design pattern
each having their own trade-offs: Layered architecture Modular monolith Microkernel architecture Mishra, Mayank; Kunde, Shruti; Nambiar, Manoj (2018). "Cracking
Monolithic_application
Linux distribution
on the Cray-1, Cray-2, X-MP, Y-MP, C90, etc. UNICOS MAX: a Mach-based microkernel used on the T3D's processing elements, together with UNICOS on the host
UNICOS
Topics referred to by the same term
an American software company based in New Jersey Traffic Management Microkernel, a product of F5 Networks Translation memory manager, a software program
TMM
Real-time operating system
system features. Loosely based on Carnegie Mellon University's Mach microkernel principles. SPECTRA: Virtual machine (VM) implementation for running
Versatile_Real-Time_Executive
Amiga-compatible computer operating system
for Power and PowerPC based computers. The core, based on the Quark microkernel, is proprietary; however, several libraries and other parts are open
MorphOS
MICROKERNEL
MICROKERNEL
MICROKERNEL
MICROKERNEL
Boy/Male
American, Anglo, British, English
From the Manor House
Girl/Female
Australian, German, Hebrew, Polish
To Bind; Tied; Joined; Form of Rebecca; One who Snares
Boy/Male
English
Charcoal merchant.
Boy/Male
Hindu
Armed with the curved kodhanda bow
Girl/Female
Indian
Sunbeam, Gentle, Brilliant, Radiant
Boy/Male
Arabic
Servant of the Capable
Surname or Lastname
English (West Midlands)
English (West Midlands) : of uncertain origin; perhaps a topographic name for someone who lived by a bank or raised piece of ground, Middle English benche (from Old English benc ‘bench’). This transferred sense of the word is not well attested, however, and some other sense of the word may be in question; perhaps one who sat on a bench in a hall, i.e. a retainer.Possibly an altered spelling of German Bensch.
Boy/Male
American, Australian, British, Dutch, English, German, Scandinavian
Wolf Counsel; Red Wolf; Famous Wolf
Boy/Male
Indian
Imperishable, A name of Lord Vishnu, Indestructible
Boy/Male
Greek Italian American
Defender of man.
MICROKERNEL
MICROKERNEL
MICROKERNEL
MICROKERNEL
MICROKERNEL