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

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 …

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:

These manuals contain overall information about how to develop the kernel. The kernel community is quite large, with thousands of developers contributing over the course of a year.

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 …

Aug 6, 2024 · Kernel.org accounts are usually reserved for subsystem maintainers or high-profile developers. It is absolutely not necessary to have an account on kernel.org to contribute to the …

Aug 6, 2024 · If you're new to Linux, you don't want to download the kernel, which is just a component in a working Linux system. Instead, you want what is called a distribution of Linux, which is a complete …

The maintainers of the various kernel subsystems — and also many kernel subsystem developers — expose their current state of development in source repositories.

There are a number of helper functions in some of the other kernel components to make it possible for kdb to examine and report information about the kernel without taking locks that could cause a kernel …

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.