UNAME(1) User Commands UNAME(1)

# [NAME](#NAME)

uname - print system information

# [SYNOPSIS](#SYNOPSIS)

**uname** \[*OPTION*]...

# [DESCRIPTION](#DESCRIPTION)

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

[**-a, --all**](#a,)

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

[**-A, --all-labeled**](#A,)

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

[**-s, --kernel-name**](#s,)

print the kernel name

[**-n, --nodename**](#n,)

print the network node hostname

[**-r, --kernel-release**](#r,)

print the kernel release

[**-v, --kernel-version**](#v,)

print the kernel version

[**-m, --machine**](#m,)

print the machine hardware name

[**-p, --processor**](#p,)

print the processor type (non-portable)

[**-i, --hardware-platform**](#i,)

print the hardware platform (non-portable)

[**-o, --operating-system**](#o,)

print the operating system

[**--help**](#help)

display this help and exit

[**--version**](#version)

output version information and exit

# [AUTHOR](#AUTHOR)

Written by David MacKenzie.

# [REPORTING BUGS](#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/>

# [COPYRIGHT](#COPYRIGHT)

Copyright © 2026 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.  
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

# [SEE ALSO](#SEE_ALSO)

[**arch**(1)](/man/os/coreutils/arch.1), [**uname**(2)](/man/os/coreutils/uname.2)

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

October 2026 GNU coreutils 9.12

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Document: uname(1) from coreutils 9.12-r6 (Chainguard OS)
Source: https://git.savannah.gnu.org/git/coreutils.git