Introduction
 
 
On October 5, 1991, Linus Torvalds posted this message to the news-group comp.os.minix:
 
Do you pine for the nice days of minix-1.1, when men were men and wrote their own device drivers? Are you without a nice project and just dying to cut your teeth on an OS you can try to modify for your needs? Are you finding it frustrating when everything works on minix? No more all-nighters to get a nifty program working? Then this post might be just for you :-)
Linus went on to introduce the first cut of Linux to the world. Unbeknown to him, he had unleashed what was to become one of the world’s most popular and disruptive operating systems. More than 20 years later, an entire industry has grown up around Linux. And, chances are, you’ve ...

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