Check your OS name and version info from the command line
To check the name of the operating system installed on the machine and its version, we can use the easy way below. Always mentioned in the /etc/*-release file is the variant of Linux. See below:-
1) On CentOS and RHEL:-
cat /etc/redhat-release
CentOS release 6.4 (Final)
2) On Debian
:~# cat /etc/issue
Debian GNU/Linux 5.0 \n \l
3) On Ubuntu
[email protected]:~# cat /etc/issue
Ubuntu 13.04 \n \l
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