----------/etc/os-release----------
NAME="Tizen"
VERSION="2.2.0, (Tizen)"
ID=tizen
PRETTY_NAME="Tizen 2.2.0 (Tizen)"
VERSION_ID="2.2.0"
----------/etc/system-release----------
Tizen release 2.2.0 (Tizen)
----------/etc/tizen-release-----------
Tizen release 2.2.0 (Tizen)