Chapter 0 Preparation
Why is “Chapter 0”? Because in the program code, all the counts are starting from 0. We choose to follow this
rule (just a joke). In this chapter, we will do some necessary preparation work: start your Pi Raspberry and
install some necessary libraries. If your Raspberry Pi can be started normally and used normally, you can skip
this chapter.
Linux Command
Raspbian is based on Linux operation system. Now we will introduct some frequently-used Linux commands
and useage methods.
First, opent terminal. All commands are executed in terminal.