Dec 14, 2025 · This site is operated by the Linux Kernel Organization, a 501 (c)3 nonprofit corporation, with support from the following sponsors.

Dec 3, 2025 · Unless you downloaded, compiled and installed your own version of kernel from kernel.org, you are running a distribution kernel. To find out the version of your kernel, run uname -r:

The following manuals are written for users of the kernel — those who are trying to get it to work optimally on a given system and application developers seeking information on the kernel’s user …

This is the beginning of a section with information of interest to application developers and system integrators doing analysis of the Linux kernel for safety critical applications.

It is an attempt to document how this community works in a way which is accessible to those who are not intimately familiar with Linux kernel development (or, indeed, free software development in general).

The kernel code base is logically broken down into a set of subsystems: networking, specific architecture support, memory management, video devices, etc. Most subsystems have a designated maintainer, …

5 days ago · It’s been almost 2 full years since Linux became a CNA (Certificate Numbering Authority) which meant that we (i.e. the kernel.org community) are now responsible for issuing all CVEs for the …

Linux kernel for ARC processors Feature status on arc architecture ARM Architecture ARM Linux 2.6 and upper Booting ARM Linux Cluster-wide Power-up/power-down race avoidance algorithm …

There are a great many reasons why kernel code should be merged into the official (“mainline”) kernel, including automatic availability to users, community support in many forms, and the ability to …

Core API Documentation ¶ This is the beginning of a manual for core kernel APIs. The conversion (and writing!) of documents for this manual is much appreciated! Core utilities ¶ This section has general …