Introduction - If you have any usage issues, please Google them yourself
In Linux systems, although there are a variety of graphical interface tools, but the shell is still a very flexible tool. Shell is not only the collection of orders, but also a great programming language. You can use the shell to make a large number of task automation, shell, in particular, has system management tasks, especially those suitable for ease of use, maintainability and portability is more important than the efficiency of tasks.