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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).
L4, like its predecessor microkernel L3, was created by German computer scientist Jochen Liedtke as a response to the poor performance of earlier microkernel-based OSes. Liedtke felt that a system designed from the start for high performance, rather than other goals, could produce a microkernel of practical use.
Kernel name Programming language Used in Creator Executable format (also see section below) Type Integrated firewall SMP support Multiple architecture support (also see section below).
A microkernel is a minimal computer operating system kernel which, in its purest form, provides no operating system services at all, only the mechanisms needed to implement such services, such as low-level address space management, thread management, and inter-process communication (IPC).
A microkernel that is designed for a specific platform or device is only ever going to have what it needs to operate. The microkernel approach consists of defining a simple abstraction over the hardware, with a set of primitives or system calls to implement minimal OS services such as memory management, multitasking, and inter-process ...
Windows Phone 7 [j] Metro ARMv7: October 29, 2010 Windows Phone 7.5: Mango: September 27, 2011 Windows Phone 7.8: Tango: February 1, 2013 Windows Phone 8: Apollo October 29, 2012 NT 6.2 Windows Phone 8.1: Blue April 14, 2014 NT 6.3 Windows 10 Mobile, version 1511: Threshold 2 November 12, 2015 1511 Windows 10 Mobile, version 1607: Redstone 1 ...
Windows kernel may refer to: Windows 9x kernel , used in Windows 95-98 and ME Windows NT kernel , used in all Windows NT systems (including Windows NT, 2000, XP, Vista, 7, 8, 8.1, 10 and 11)
By the mid-1990s, work on microkernel systems was largely stagnant, although the market had generally believed that all modern operating systems would be microkernel based by the 1990s. The primary remaining widespread uses of the Mach kernel are Apple's macOS and its sibling iOS, which run atop a heavily modified hybrid Open Software ...