uname

Display system information, such as type of machine and operating system.

uname [options]

-a displays all information.

-m displays the hardware type (for example, i586).

-n displays the machine's hostname.

-p displays the processor type (this appears as unknown).

-r displays the operating system release (for example, 2.4.0-0.43.12).

-s displays the operating system name.

-v displays the operating system version (shown as date of compilation).

The uname command displays a variety of information about your machine and the operating system (Linux).