# cd - [Command Function](#section11690184921316) - [Syntax](#section75695409569) - [Parameters](#section71961353181311) - [Usage](#section3629759111317) - [Example](#section211620301412) - [Output](#section1968117214577) ## Command Function This command is used to change the current working directory. ## Syntax cd \[_path_\] ## Parameters **Table 1** Parameter description

Parameter

Description

Value Range

path

Specifies the file path.

You must have the execution (search) permission for the specified directory.

## Usage - If the **path** parameter is not specified, the system switches to the root directory. - If the **path** parameter is specified, the system switches to the specified path. - The **path** value starting with a slash \(/\) represents the root directory. - The **path** value starting with a dot \(.\) represents the current directory. - The **path** value starting with two dots \(..\) represents the parent directory. ## Example Run **cd**. ## Output **Figure 1** Changing the directory ![](figure/changing-the-directory.png "changing-the-directory")