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Nt1430 Chapter 1 Questions

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1. What is free software? List three characteristics of free software.
-Free software is software that users have the freedom to distribute and change. The three main characteristics of free software are: The source code has to be distributed with the program, you cannot restrict people from redistributing/modifying/using the software, and users must be allowed to redistribute modified versions under the same terms/licensing.

2. Why is Linux popular? Why is it popular in academia?
-Linux is popular for a number of different reasons. Its free software that is portable because it’s written in C, has an amazing range of supported "peripherals", has a lot of software available, and has standardization (POSIX). It’s generally popular in academia because it’s a free, open-source, portable, sophisticated programming environment that computer science students could use as a learning platform.

3. What are multiuser systems? Why are they successful?
-A multiuser system is an operating system that allows multiple users to access a single computer's resources. It’s successful because it’s hard for a single user to use 100% of a modern computer’s resources, and allows for greater efficiency.

4. What is the Free Software Foundation/GNU? What is Linux? Which parts of the Linux operating system did each provide? Who else has helped build and refine this operating system?
-GNU stands for "GNU'S Not Unix", and it was designed to be a UNIX-like operating system developed by Richard Stallman. Linux is the name of operating system kernel developed by Linus Torvalds. GNU's tools aside the Linux kernel make the operating system known as “Linux” aka “GNU/Linux”. Thousands of people helped refine the operating system online.

5. In what language is Linux written? What does the language have to do with the success of Linux?
-Linux is written in the C programming

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