uname
Print system information including kernel name, version, and architecture.
Synopsis
uname [OPTION]...
Examples
uname -a
uname -r
uname -m
uname -n
Common options
| Flag | Description |
|---|---|
| -a | Print all information |
| -r | Kernel release |
| -m | Machine hardware name (architecture) |
| -n | Network hostname |
| -s | Kernel name |
About uname
The `uname` command print system information including kernel name, version, and architecture. System information commands provide insight into hardware, kernel, memory, disk, and user session details.
These are typically the first tools you reach for when diagnosing system problems, capacity planning, or auditing a server's configuration. They work across most Linux distributions without additional packages.
The command accepts 5 commonly used flags shown above, though the full set of options is available in the man page (`man uname`). The 4 examples on this page cover typical real-world usage patterns that you can copy and adapt for your own workflows.
Related commands
More System Info Commands
Other commands in the System Info category