Introduction - If you have any usage issues, please Google them yourself
Linux provides a large number of orders, it can be effectively completed a lot of work, such as disk operations, file access, directory operations, process management, file permissions and other settings. Therefore, in working on Linux systems can not be separated from the use of system commands. To really understand Linux systems, we must learn from the Linux command through a command-based learning can be a better understanding of Linux systems. Different Linux distributions the number of different orders, but the Linux release at least an order also has more than 200. Here the author is more important and the most frequently used commands, in accordance with their role in the system is divided into six parts each of the following introduction.