# chown
## Command Function
This command is used to change the owner and group of a specified file.
## Syntax
chown \[_owner_\] \[_group_\] \[_pathname_\]
## Parameters
**Table 1** Parameter description
Parameter
Description
Value Range
owner
Specifies the file owner.
[0, 0xFFFFFFFF]
group
Specifies the file group.
Left blank
[0, 0xFFFFFFFF]
pathname
Specifies the file path.
An existing file
## Usage
- By specifying the **owner** and **group** parameters in this command, you can change the owner and group of the file.
- If **owner** or **group** is **-1**, the owner or group of the file will not be changed.
- The **group** parameter can be left blank.
## Example
Run **chown 100 200 hello-harmony.txt**.
## Output
**Figure 1** Changing the owner and group of the hello-harmony.txt file to 100 and 200 respectively
