Eric Steven Raymond (born December 4, 1957), often referred to as ESR, is an American software developer, open-source software advocate, and author of the 1997 essay and 1999 book The Cathedral and the Bazaar. He wrote a guidebook for the Roguelike game NetHack.[1] In the 1990s, he edited and updated the Jargon File, published as The New Hacker's Dictionary.[2] Early life[edit] Raymond was born in
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