cat /etc/*-release
Standard input is empty
PRETTY_NAME="Debian GNU/Linux 9 (stretch)" NAME="Debian GNU/Linux" VERSION_ID="9" VERSION="9 (stretch)" ID=debian HOME_URL="https://w...content-available-to-author-only...n.org/" SUPPORT_URL="https://w...content-available-to-author-only...n.org/support" BUG_REPORT_URL="https://b...content-available-to-author-only...n.org/"