![]() ![]() It stands for "Unix Name" and offers several options to display different types of information. The uname command in Linux is used to gather information about the system and its kernel. To check the Linux kernel version you can use the following method. ![]() These updates are backwards compatible, which means they can be applied to the same major and minor versions without causing compatibility issues. Patch updates are primarily concerned with addressing software bugs, addressing security flaws, and improving overall stability. Patch Level (z): The patch level of the Linux kernel denotes incremental updates and bug fixes for a specific minor version. Minor version updates are designed to be backwards compatible, which means they can be applied to the same major version without causing problems. These updates usually include new hardware support, security patches, and performance improvements. Minor Version (y): The Linux kernel's minor version represents smaller updates, bug fixes, and feature enhancements within a given major version. To summarise, a major version represents significant updates and improvements to the Linux kernel. In some cases, upgrading to a new major version may necessitate compatibility changes. It denotes significant architectural changes, introduces new features, and brings significant performance and functionality improvements. Major Version (x): The Linux kernel's major version represents significant updates and changes to the kernel. The Linux kernel's versioning technique consists of three numerals separated by periods, generally in the form "x.y.z". Unfortunately switched over to cgit which apparently does not disclose this information. Checking the kernel version can be particularly useful when troubleshooting hardware issues or for general system maintenance. 5 Answers Sorted by: 22 As mentioned on LWN, the easiest is: git describe -contains f3a1ef9cee4812e2d08c855eb373f0d83433e34c If you don't want a local clone, gitweb's 'plain' formatted commit contains the same info in the X-Git-Tag header. There are various kernel versions available in Linux, and there may be instances when you need to check the version of the Linux kernel installed on your system. It provides essential services and functionality to the operating system and the applications that run on it. The kernel is the core component of the Linux operating system, serving as a bridge between the hardware and software layers. Similarly, according to, the major version number is incremented when the number after the first dot starts looking "too big." The final kernel version in the 3.x series was 3.19 and the last major 4.x kernel series was 4.20, which was then bumped up to 5.0.The Linux kernel version refers to a specific release of the Linux kernel software. Linus mentioned in his 5.0 kernel development mail that he simply updated the major number to five because the minor release count got too large to count on fingers and toes (20!). For example, the major version is updated to the next digit whenever the minor version count gets close to 20. To create new versions, the preceding variable is incremented when the value of a variable reaches a specific number. The latest preview version of the kernel at the time of this writing is 5.19-rc6. These are a replacement for the development releases that were previously denoted by an odd minor version number.Īlthough these releases are specifically reserved for kernel developers so they can fix the reported issues and implement new features, you can also download and test these kernel review candidates if you want, but it's generally not recommended considering this is where most of the development happens. Review candidates (or "rc" for short) are preview releases and pre-patch versions of the kernel that the developers need to patch to remove bugs and other issues. You might also notice some characters at the end of the version number, like rcX. ![]()
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