Similarly for bionic using version 237-3ubuntu10.39 verification was also successsful:
ubuntu@bionic:~$ groups ubuntu adm dialout cdrom sudo dip plugdev users lpadmin sambashare vboxsf
Similarly for bionic using version 237-3ubuntu10.39 verification was also successsful:
ubuntu@bionic:~$ groups
ubuntu adm dialout cdrom sudo dip plugdev users lpadmin sambashare vboxsf