A linux Command cd every day

When you enter a new company, you need to use linux commands. Therefore, there is less than one entry per day. For supervision on their own learning and use. If there are any mistakes, please advise. The cd command is one of the most commonly used commands in linux, and I think the other should be ls (later ). The main function is to jump to the specified directory of the cd command. Cd Command Format: cd [-L |-P] [dir] common cd commands: 1. Jump to the specified directory: cd dirdir can be an absolute or relative path. Dir/is to jump to the root directory. Www.2cto.com dir is still a wildcard, such as: cd a * B cd a */p. 2. Jump to the main directory: cd or cd ~ 3. jump to level 1: cd .. 4. jump to the last Directory: cd-Example: cd/home/test/test1 at this time under/home/test/test1 cd at this time under the root-then back to the/home/test/test1 under 5. jump to the position indicated by the previous command: cd! $ Use the parameters of the previous command as the directory author CrazyNemo of cd