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uname - print system information


uname [OPTION]...


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:

-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 or “unknown"

-i, --hardware-platform
print the hardware platform or “unknown"

-o, --operating-system
print the operating system

--help display this help and exit

output version information and exit


Written by David MacKenzie.

Reporting Bugs

Report bugs to <>.


Copyright (C) 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <>. There is NO WARRANTY, to the extent permitted by law.

See Also

The full documentation for uname is maintained as a Texinfo manual. If the info and uname programs are properly installed at your site, the command

info uname

should give you access to the complete manual.

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