ubuntu:bionic version code example
Example 1: ubuntu version
lsb_release -a
cat /etc/os-release
lsb_release -a
Example 2: ubuntu releases
lsb_release -a
cat /etc/os-release
lsb_release -a
lsb_release -a
cat /etc/os-release
lsb_release -a
lsb_release -a
cat /etc/os-release
lsb_release -a