Linux uname Command -s Kernel -r Kernel Release -v Version -o Operating System -n Host Name

Learning|Tutorial January 19, 2010
Uname command used to find the basic information about that information about which Operating system has been used. What is the kernel version? When it is released

-a Print the basic of the all information
rpmsupport-4 ~/Desktop $ uname -a
Linux jkumar 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686 GNU/Linux
-s which Operating system has been used
rpmsupport-4 ~/Desktop $ uname -s
Linux

-o related to OS
rpmsupport-4 ~/Desktop $ uname -o
GNU/Linux

rpmsupport-4 ~/Desktop $ uname
Linux

-n refer to the Hostname or local host
rpmsupport-4 ~/Desktop $ uname -n
jkumarRed hat rhel5 uname command version OS kernel hostname -v Operation System version
rpmsupport-4 ~/Desktop $ uname -v
#42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009

-r OS release level
rpmsupport-4 ~/Desktop $ uname -r
2.6.28-11-generic
Operating System Print Basic system Hardware software information
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