# uname
## Command Function
This command is used to display the name, version creation time, system name, and version information of the current OS.
## Syntax
uname \[_-a | -s | -t | -v | --help_\]
**Table 1** Parameters
Parameter
Parameters
No parameter
Displays the OS name by default.
-a
Displays all information.
-t
Displays the time when the version was created.
-s
Displays the OS name.
-v
Displays the version information.
--help
Displays the help information.
## Usage
The **uname** command displays the name of the current OS by default. The **uname -a | -t| -s| -v** command displays the name of the in-use OS in the standard output. These parameters are mutually exclusive.
## Example
Run **uname -a**.
## Output
Querying system information
