Chapter 3. Intro to Linux

The Raspberry Pi is arguably one of the world’s most popular tiny computers. It’s cheap (around $35), easy to get, relatively powerful for its size and price, and easy to start using: plug in a keyboard, a mouse, and a monitor and start programming by using Python or Wolfram Mathematica or Scratch, the kid’s programming language. Sometimes, you don’t even need the keyboard, mouse, and monitor!

In fact, it’s so easy to get started that many users completely forget (or ignore) that the operating system it usually runs, Raspbian, is based on Debian, a distribution of a powerful operating system, Linux (Figure 3-1). Your programs don’t even have to be written in Python; the Pi’s Linux roots mean it can run C, C++, Java, or ...

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