On August 25th, 1991, a certain Linus Torvalds announced that he had been working “on a (free) operating system (just a hobby, won’t be big and professional like gnu) […].”
Happy 30th birthday, Linux!

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On August 25th, 1991, a certain Linus Torvalds announced that he had been working “on a (free) operating system (just a hobby, won’t be big and professional like gnu) […].”