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GNU shell utilities

10.2 uname: Print system information

uname prints information about the machine and operating system it is run on. If no options are given, uname acts as if the -s option were given. Synopsis:

uname [option]...

If multiple options or -a are given, the selected information is printed in this order:

sysname nodename release osversion machine

The osversion, at least, may well be multiple words. For example:

uname -a => Linux hayley 1.0.4 #3 Thu May 12 18:06:34 1994 i486

The program accepts the following options. Also see 2. Common options.

`-a'

`--all'

Print all of the below information.

`-m'

`--machine'

Print the machine (hardware) type.

`-n'

`--nodename'

Print the machine's network node hostname.

`-p'

`--processor'

Print the machine's processor type

`-r'

`--release'

Print the operating system release.

`-s'

`--sysname'

Print the operating system name.

`-v'

Print the operating system version.