Checking linux version & kernel version

You can check linux version as below.

grep . /etc/*-release

You can check linux kernel version as below.

uname -r

original source : http://zetawiki.com/wiki/%EB%A6%AC%EB%88%85%EC%8A%A4_%EC%A2%85%EB%A5%98_%ED%99%95%EC%9D%B8,_%EB%A6%AC%EB%88%85%EC%8A%A4_%EB%B2%84%EC%A0%84_%ED%99%95%EC%9D%B8#.EB.B0.A9.EB.B2.95_2:_.2Fetc.2Fissue.2A