uname Command in Linux with Examples

Display all information about your system

To display all the information about your system the parameter -a is used in uname command. This will print all the possible information’ s about current running system.

Example:

[user1@linuxhelp ~]$ uname -a
Linux linuxhelp.localdomain 2.6.32-573.8.1.el6.x86_64
#1 SMP Tue Nov 10   18:01:38 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

Display the Kernel name

To display the kernel name and the current using kernel information, parameter -s is used in uname command.

Example:

[user1@linuxhelp ~]$ uname -s
 Linux

Display the Kernel Version

To display the current kernel version in your Linux system parameter &ndash v is used in uname command.

Example:

[user1@linuxhelp ~]$ uname -v
 #1 SMP Tue Nov 10 18:01:38 UTC 2015

Display the Kernel Release Information

The parameter -r is used to display the kernel release information.

Example:

[user1@linuxhelp ~]$ uname -r
 2.6.32-573.8.1.el6.x86_64

Display the Machine Information

The parameter -m is used to display the current using machine information. If the output is x86_64 then it indicates 64 bit and if it’ s i686 then it indicates 32 bit.

Example:

[user1@linuxhelp ~]$ uname -m
 x86_64

This shows that it’ s a 64 bit.

Display the Host name

To display the host name or node name using the parameter -n.

Example:

[user1@linuxhelp ~]$ uname -n
 linuxhelp.com

Display the Processor Information

To display the current processor information using parameter -p. If the output is x86_64 then it indicates 64 bit and if it’ s i686 then it indicates 32 bit.

Example:

[user1@linuxhelp ~]$ uname -p
 x86_64

Display the System Hardware Information

To display the current System Hardware information using parameter -i. If the output is x86_64 then it indicates 64 bit and if it’ s i686 then it indicates 32 bit.

Example

[user1@linuxhelp ~]$ uname -i
 x86_64

Display the Operating System name

To display the Operating System Name use uname with option -o. It will print the current using operating system name.

Example:

[user1@linuxhelp ~]$ uname -o
 GNU/Linux

Display the uname version

To print the current uname version use uname with parameter --version.

Example

[user1@linuxhelp ~]$ uname --version
 uname (GNU coreutils) 8.4
 Copyright (C) 2010 Free Software Foundation, Inc.
 License GPLv3+: GNU GPL version 3 or later < http://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.
 Written by David Mackenzie.

 

Display the uname help

To display the all possible commands and its abbreviations use uname with option --help.

Example

[user1@linuxhelp ~]$ uname --help
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
--version output version information and exit
Report uname bugs to bug-coreutils@gnu.org
GNU coreutils home page: < http://www.gnu.org/software/coreutils/> 
General help using GNU software: < http://www.gnu.org/gethelp/> 
For complete documentation, run: info coreutils ' uname invocation'