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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]
Ubuntu 22.04 LTS Desktop uses Linux kernel 5.17 for newer hardware and a rolling HWE (hardware enablement) kernel based on version 5.15 for other hardware; Ubuntu 22.04 LTS Server uses version 5.15, while Ubuntu Cloud and Ubuntu for IoT use an optimized kernel based on version 5.15. It updates Python to 3.10 and Ruby to 3.0. [274]
Version 20.04 introduced version 3.0 of its own, newly developed UKUI (Ubuntu Kylin User Interface). [12] Formerly, UKUI was a customization of the MATE desktop.. Version 14.10 introduced the Ubuntu Kylin Software Center (UKSC), and a utility which helps end-users for daily computing tasks called Youker Assistant.
A kernel is a component of a computer operating system. [1] A comparison of system kernels can provide insight into the design and architectural choices made by the developers of particular operating systems.
Rebootless updates can even be applied to the kernel by using live patching technologies such as Ksplice, kpatch and kGraft. Minimalistic foundations for live kernel patching were merged into the Linux kernel mainline in kernel version 4.0, which was released on 12 April 2015.
Fedora 33 Workstation Edition was the first version of the operating system to default to using Btrfs as its default file system, and replacement of a swap partition with zram. [87] It featured version 3.38 of the GNOME desktop environment, and Linux kernel 5.8.15. For the first time since version 7, Fedora defaulted to a slideshow background ...
The final minor update, called a "point release", is version 9.13, [221] released on 18 July 2020; 4 years ago (). Major upgrades include the Linux kernel going from version 3.16 to 4.9, GNOME desktop version going from 3.14 to 3.22, KDE Plasma 4 was upgraded to Plasma 5, LibreOffice 4.3 upgraded to 5.2 and Qt upgraded from 4.8 to 5.7.
The Direct Rendering Manager (DRM) is a subsystem of the Linux kernel responsible for interfacing with GPUs of modern video cards.DRM exposes an API that user-space programs can use to send commands and data to the GPU and perform operations such as configuring the mode setting of the display.