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Operating System Design/Case Studies/Linux
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80386 computer, and the initial versions were technically limited and only supported the i386 architecture. With contributions from dozens of other FOSS programmers, support for numerous features and architectures was added.
Linus originally started the project as an updated replacement for Minix, which was written by Andrew S. Tanenbaum to use as an example for an operating system design and implementation course. Many Linux distributions combine the kernel with many of the GNU utilities.