For check Ubuntu version using command line, you can use one of the command:
lsb_release -a
lsb_release -d
cat /etc/issue
cat /etc/os-release
hostnamectl
For check Ubuntu version using command line, you can use one of the command:
lsb_release -a
lsb_release -d
cat /etc/issue
cat /etc/os-release
hostnamectl