Linux kernel
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The Linux kernel is a free and open-source Unix-like kernel that is used in many computer systems worldwide. The kernel was created by Linus Torvalds in 1991 and was soon adopted as the kernel for the
Linus Torvalds at the LinuxCon Europe 2014
Linux kernel panic output
An iPod booting iPodLinux
Sankey diagram of Linux Kernel Source Lines of Code
GNU
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GNU is an extensive collection of free software, which can be used as an operating system or can be used in parts with other operating systems. Most of GNU is licensed under the GNU Project's own Gene
Richard Stallman, founder of the GNU project
