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
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
GNU
…is usually paired with other kernels such as Linux or FreeBSD. A stable version (or variant) of GNU can be run by combining the GNU packages with the Linux kernel, making a functional Unix-like system. The GNU Project calls this GNU/Linux, and the defining features are the combination of: GNU packages (except for…
Linus Torvalds at the LinuxCon Europe 2014
Linux kernel panic output
An iPod booting iPodLinux
Sankey diagram of Linux Kernel Source Lines of Code