----------/etc/os-release----------
NAME=NixOS
ID=nixos
VERSION="13.10.35686.3bcfa7b (Aardvark)"
VERSION_ID="13.10.35686.3bcfa7b"
PRETTY_NAME="NixOS 13.10.35686.3bcfa7b (Aardvark)"
HOME_URL="http://nixos.org/"