“What is Linux?” — A Love Letter to the Operating System That Runs the World (And Your Toaster)
Back in 1991, a Finnish student named Linus Torvalds casually dropped a message in a newsgroup saying, "I'm doing a free operating system (just a hobby, won’t be big and professional like GNU)" — and accidentally invented a global movement.

Back in 1991, a Finnish student named Linus Torvalds casually dropped a message in a newsgroup saying, "I'm doing a free operating system (just a hobby, won’t be big and professional like GNU)" — and accidentally invented a global movement.