To start your journey with the Linux command line, it's important to know a few things before diving in. These aspects of the terminal are fundamental to getting the most out of the tool. Shall we ...

Optional values: 1,2,3,3_2,3t,4,4_3,5,6,7. Note that uCore will set the default value of CHAPTER according the name of branch. So usually you need not to care about this parameter.