Linux command: Show Linux Version

What command I need to type to display my Linux version and other information?
Open shell prompt (or terminal) and type the following command to see your current Linux kernel version:

$ uname -r
$ uname -mrs
Linux 2.6.32-23-generic-pae i686
$ uname -a
Sample outpute:

Linux vivek-laptop 2.6.32-23-generic-pae #37-Ubuntu SMP Fri Jun 11 09:26:55 UTC 2010 i686 GNU/Linux


  • 2.6.32-23 – Linux kernel version number
  • pae – Kernel type to access more than 4GB ram using 32 bit kernel.
  • SMP – Kernel that support multi core and multiple cpus

Find Distribution Version

Type the following command:

$ cat /etc/*release


$ lsb_release -a

Sample outputs:

No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 10.04 LTS
Release:	10.04
Codename:	lucid

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