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uname command

Show the kernel version and system architecture.

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Syntax

uname [options]

Provided by the coreutils package. Run man uname for the full manual.

Common options

OptionWhat it does
-aEverything
-rKernel release
-mMachine architecture
-nHost name
-sKernel name

Examples

  1. All system information

    uname -a

  2. Kernel version

    uname -r

  3. Architecture (x86_64, aarch64)

    uname -m

  4. Distribution name and version

    cat /etc/os-release

  5. Short distribution version

    lsb_release -a

uname guides

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