The uname command displays information about the operating system. It provides details like the kernel name, hostname, operating system release, version, and hardware architecture.
Display the kernel name
Example Usage:
uname
What it does: Prints the name of the operating system's kernel. This is the most basic and common usage.
Command-line Arguments Explained:
- No arguments are needed for this default behavior.
Display the kernel name, the node hostname, the kernel release, the kernel version, the machine hardware name, and the operating system
Example Usage:
uname -a
What it does: Displays all available system information in a single line. This is the most comprehensive output.
Command-line Arguments Explained:
-a: Displays all system information in a single line.
Display the kernel release
Example Usage:
uname -r
What it does: Prints the kernel release information, which often includes the version numbers and build details.
Command-line Arguments Explained:
-r: Displays the kernel release information.
Display the machine hardware name
Example Usage:
uname -m
What it does: Prints the hardware architecture or machine type. This indicates the type of processor your system is using (e.g., x86_64, i686, ARM).
Command-line Arguments Explained:
-m: Displays the machine hardware name.
Display the operating system
Example Usage:
uname -s
What it does:
Prints the kernel name (same as uname without arguments).
Command-line Arguments Explained:
-s: Displays the operating system name.
Display the node hostname
Example Usage:
uname -n
What it does: Prints the hostname of the system.
Command-line Arguments Explained:
-n: Displays the node hostname.
Display the kernel version
Example Usage:
uname -v
What it does: Prints the kernel version. This provides the specific version and build information of the kernel.
Command-line Arguments Explained:
-v: Displays the kernel version.
Show help
Example Usage:
uname --help
What it does:
Displays a help message with all possible options of the uname command.
Command-line Arguments Explained:
--help: Displays the help message.
About the author
- I work with Linux in the day, ballroom dancing at night. I use Arch, btw.
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