Unit 1 Exercises Chapter 1. 1. Free software is user can uses software at no charge. The characteristics of free software are no cost, full version, no expiration. 4. Free software Foundation/GNU is free to redistribute, modify, and study it. Linux is operating system developed through the cooperation of numerous people around the world, is product of the internet and is a free operating system. Linux provides UNIX and GNU. Linus Torvalds helps refine Linux system. Chapter 2. 1. The process
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