uname
Command Function
This command is used to display the name, version creation time, system name, and version information of the current operating system.
Syntax
uname [-a | -s | -r | -m | -n | -v | --help]
Table 1 Parameter description
| Parameter | Description |
|---|---|
| --help | Displays help information. |
| No parameter | Displays the operating system name by default. |
| -a | Displays all data. |
| -s | Displays the operating system name. |
| -r | Displays the kernel release version. |
| -m | Displays the operating system architecture name. |
| -n | Displays the network domain name of the host. |
| -v | Displays version information. |
Usage Guidelines
-
The uname command displays the name of the current operating system by default.
-
Except --help and -a, other parameters can be used together. uname -a is equivalent to uname -srmnv.
Note
The -r, -m, and -n parameters are not supported currently. mksh supports these parameters. To switch to mksh, run cd bin and ./mksh.
Example
Run the following commands:
-
uname -a
-
uname -ms
Output
Example 1: all information of the operating system
OHOS:/$ uname -a
LiteOS hisilicon 2.0.0.37 LiteOS 2.0.0.37 Oct 21 2021 17:39:32 Cortex-A7
OHOS:/$
Example 2: operating system name and architecture
OHOS:/$ uname -ms
LiteOS Cortex-A7
OHOS:/$