This is a very useful Linux Command which will help you to learn about your system little bit deeper,You can able to get your Operating System properties like Kernel name,Kernel version and Kernel release date.
Type below command in your Terminal
$ uname --all
you will get something like this
Linux ubuntu 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:10:02 UTC 2010 i686 GNU/Linux
In which
Linux is Your Kernel Name
2.6.32-21-generic is your kernel version no
#32-Ubuntu SMP Fri Apr 16 08:10:02 UTC 2010 is Kernel Release Date and
GNU/Linux is your Operating System Name.
Now Type as
$ uname --help
you willget something like below
Usage: 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
--version output version information and exit
Report uname bugs to bug-coreutils@gnu.org
GNU coreutils home page:
General help using GNU software: <http://www.gnu.org/gethelp/>
Report uname translation bugs to
From the above statement you can learn how to retrieve Individual data about your system.
for exmaple to get the kernel release info,Type as
$ uname -r
which will display your Kernel release info as
2.6.32-21-generic
Similarly you can try other commands also.
