在Linux系统中，虽然有各种各样的图形化接口工具，但是shell仍然是一个非常灵活的工具。Shell不仅仅是命令的收集，而且是一门非常棒的编程语言。您可以通过使用shell使大量的任务自动化，shell特别擅长系统管理任务，尤其适合那些易用性、可维护性和便携性比效率更重要的任务。-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.