this post was submitted on 22 Jan 2026
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Linux
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From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Just FYI: Everything Hurd set out to do which Linux couldn't has by now been implemented in Linux.
Such as?
Portability to different architectures, filesystem in userspace, and patching the kernel without rebooting are the major ones.
You can patch the kernel live? I know that Ubuntu does that
Red Hat does it, too.
But it's a paid enterprise feature.