1# cat 2 3 4 5## Command Function 6 7This command is used to display the content of a text file. 8 9 10## Syntax 11 12cat [_pathname_] 13 14 15## Parameters 16 17**Table 1** Parameter description 18 19| Parameter| Description| Value Range| 20| -------- | -------- | -------- | 21| pathname | Specifies the file path. | An existing file | 22 23 24## Usage Guidelines 25 26Run the **cat** [*pathname*] command to display the content of a text file. 27 28 29## Example 30 31Run **cat hello-openharmony.txt**. 32 33 34## Output 35 36Content of **hello-openharmony.txt** 37 38``` 39OHOS # cat hello-openharmony.txt 40OHOS # Hello openharmony ;) 41``` 42