1.Linux basic knowledge

What is Linux?

->Just like Windows XP, Windows 7, Windows 8, and Mac OS X, Linux is an operating system. An operating system is software that manages all of the hardware resources associated with your desktop or laptop. To put it simply – the operating system manages the communication between your software and your hardware. Without the operating system (often referred to as the “OS”), the software wouldn’t function.

->The Raspbian OS is one kind of linux OS for raspberry pi(linux OS have many versions like ubuntu, debian and so on)


What is linux Terminal/Shell?

->At a linux Terminal/Shell,with entering some different command by your keyboard
You can see the operating system Folder, install software, write code,Compile project
and so on

->Open a linux Terminal/Shell at Raspbian OS.
Go to click this.

You will open a linux Terminal/Shell

The basic Terminal/Shell command

->ls (Show the file and older at the current path)
->cd "folder name" (enter some folder)
->cp -rf "Target file name" "New file name" (copy a file or folder to a new name file or folder)
->tar xvf "your-file-name.tar.gz" (Extract a file)
->sudo  "other command" (execute a command as super administrator)
->sudo ./"yourself command"(execute a command that do by ourselves as super administrator)