uname - Man Page

print system information

Examples (TL;DR)

Synopsis

uname [OPTION]...

Description

Print certain system information.  With no OPTION, same as -s.

-a,  --all

print all information, in the following order, except omit -p and -i if unknown

-A,  --all-labeled

print all information, one labeled field per line, except omit -p and -i if unknown

-s,  --kernel-name

print the kernel name

-n,  --nodename

print the network node hostname

-r,  --kernel-release

print the kernel release

-v,  --kernel-version

print the kernel version

-m,  --machine

print the machine hardware name

-p,  --processor

print the processor type (non-portable)

-i,  --hardware-platform

print the hardware platform (non-portable)

-o,  --operating-system

print the operating system

--help

display this help and exit

--version

output version information and exit

Author

Written by David MacKenzie.

Reporting Bugs

Report bugs to: <bug-coreutils@gnu.org>.
Report any translation bugs to: <https://translationproject.org/team/>.
GNU coreutils home page: <https://www.gnu.org/software/coreutils/>
General help using GNU software: <https://www.gnu.org/gethelp/>

See Also

arch(1), uname(2)

Full documentation <https://www.gnu.org/software/coreutils/uname>
or available locally via: info '(coreutils) uname invocation'

Info

September 2026 GNU coreutils 9.12