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This article documents the version history of the Linux kernel. Each major version – identified by the first two numbers of a release version – is designated one of the following levels of support: Supported until next stable version; Long-term support (LTS); maintained for a few years [1]
A system call is an entry point into the Linux kernel. [202] For example, among the Linux-specific ones there is the family of the clone(2) system calls. [203] Most extensions must be enabled by defining the _GNU_SOURCE macro in a header file or when the user-land code is being compiled. [204]
Linux distributions that have highly modified kernels — for example, real-time computing kernels — should be listed separately. There are also a wide variety of minor BSD operating systems, many of which can be found at comparison of BSD operating systems .
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 February 2025. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...
A monolithic kernel is one single program that contains all of the code necessary to perform every kernel-related task. Every part which is to be accessed by most programs which cannot be put in a library is in the kernel space: Device drivers, scheduler, memory handling, file systems, and network stacks.
It also provides engineering and investment in upstream open source projects and support to silicon companies in upstreaming code to be used with their systems-on-a-chip (SoC). Since the 3.10 Linux kernel release, Linaro has consistently been listed in the top ten contributors to the Linux kernel. [2]
Many other mailing lists exist to discuss the different subsystems and ports of the Linux kernel, but LKML is the principal communication channel among Linux kernel developers. It is a very high-volume list, usually receiving about 1,000 messages each day, most of which are kernel code patches.
Linux kernel (<4.8.3) Dirty COW ( Dirty copy-on-write ) is a computer security vulnerability of the Linux kernel that affected all Linux-based operating systems, including Android devices, that used older versions of the Linux kernel created before 2018.