os-release

cat /etc/os-release 
PRETTY_NAME="Deepin 20.9"
NAME="Deepin"
VERSION_ID="20.9"
VERSION="20.9"
VERSION_CODENAME="apricot"
ID=Deepin
HOME_URL="https://www.deepin.org/"
BUG_REPORT_URL="https://bbs.deepin.org/"