:: how to checking linux version using command line
o using lsb_release
# lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 6.0.1 (squeeze) Release: 6.0.1 Codename: squeeze
o read /etc/issue
# cat /etc/issue CentOS release 5.5 (Final)
o read /etc/*release ( RedHat / Centos )
# cat /etc/*release CentOS release 5.5 (Final)
:: links
+ google
+ ubuntuforum