How to check Ubuntu version using hostnamectl

Below is the command to check/find the ubuntu version using hostnamectl:

hostnamectl

The output will be like this:

  Static hostname: ip-11-223-44-55
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 8470f217a1343f9cdcd47d
           Boot ID: 455304e80483e828b83a8867
    Virtualization: xen
  Operating System: Ubuntu 20.04.4 LTS
            Kernel: Linux 5.15.0-1015-aws
      Architecture: x86-64

Aove result displays the version of Ubuntu installed and that is Ubuntu 20.04.4 LTS