1e41f4b71Sopenharmony_ci# cd 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## Command Function 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ciThis command is used to change the current working directory. 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci## Syntax 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_cicd [_path_] 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci## Parameters 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci**Table 1** Parameter description 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci| Parameter| Description| Value Range| 19e41f4b71Sopenharmony_ci| -------- | -------- | -------- | 20e41f4b71Sopenharmony_ci| path | Specifies the path of the new directory. | You must have the execution (search) permission on the specified directory.| 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci## Usage Guidelines 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci- If **path** is not specified, this command switches to the root directory. 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci- If **path** is specified, this command switches to the specified directory. 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci- The **path** value starting with a slash (/) represents the root directory. 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci- The **path** value starting with a dot (.) represents the current directory. 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci- The **path** value starting with two dots (..) represents the parent directory. 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci- You can run **cd -** to alternate between two directories that are recently accessed. 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci 38e41f4b71Sopenharmony_ci## Example 39e41f4b71Sopenharmony_ci 40e41f4b71Sopenharmony_ciRun **cd ..**. 41e41f4b71Sopenharmony_ci 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ci## Output 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ciParent directory information: 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci``` 48e41f4b71Sopenharmony_ciOHOS:/nfs$ cd ../ 49e41f4b71Sopenharmony_ciOHOS:/$ ls 50e41f4b71Sopenharmony_cibin etc nfs sdcard system tmp vendor 51e41f4b71Sopenharmony_cidev lib proc storage test usr 52e41f4b71Sopenharmony_ci``` 53