System Information with uname

The uname command in the ChromeOS Shell provides essential details about the system, such as kernel version, operating system, and architecture.

Usage

The uname command supports several options to customize the output. Run the following command for basic system information:

bash uname

Options

• -a: Display all available system information.
• -s: Print the kernel name.
• -n: Show the system's network node hostname.
• -r: Output the kernel release.
• -v: Display the kernel version.
• -m: Print the machine hardware name.
• -p: Show the processor type (if available).
• -i: Display the hardware platform (if available).
• -o: Print the operating system name.

Examples

Display All System Information

bash uname -a

Check Kernel Version

bash uname -r

Show Machine Architecture

bash uname -m

Additional Information

• Compatibility: The uname command is a standard Unix utility and behaves similarly across many Unix-like systems, including Linux.
• Use Cases: Commonly used for troubleshooting, verifying system compatibility, or gathering system details for debugging.

Best Practices

1. Use Specific Options

2. For scripts, use specific flags like -r or -m to avoid parsing unnecessary information.

3. Check Compatibility

4. Ensure that scripts using uname consider differences in output across various Unix-like environments.

The uname command is a quick and reliable way to retrieve system information, making it a valuable tool for developers and system administrators.