# chown
- [Command Function](#section247414691513)
- [Syntax](#section14773151018159)
- [Parameter Description](#section598731391517)
- [Usage](#section16524152071510)
- [Example](#section17901152561510)
- [Output](#section15513163115816)
## Command Function
This command is used to change the owner and group of a specified file.
## Syntax
chown \[_owner_\] \[_group_\] \[_pathname_\]
## Parameter Description
**Table 1** Parameters
Parameter
Description
Value Range
owner
Indicates the file owner.
[0, 0xFFFFFFFF]
group
Indicates the file group.
Left blank
[0, 0xFFFFFFFF]
pathname
Indicates 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 the **owner** or **group** value is **-1**, the owner or group of the file will not be changed.
- The **group** parameter can be left blank.
## Example
Enter **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
