uname -a
Linux user-desktop 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686 GNU/Linux
cat /etc/*-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=9.04
DISTRIB_CODENAME=jaunty
DISTRIB_DESCRIPTION="Ubuntu 9.04"
lsb_release -a
No LSB modules are available.
Distributor ID : Ubuntu
Description : Ubuntu 9.04
Release : 9.04
Codename : jaunty