blaise@king-desktop:~$ groups
blaise adm dialout cdrom plugdev lpadmin admin sambashare
just to be sure:
blaise@king-desktop:~$ sudo adduser blaise dialout
[sudo] password for blaise:
The user `blaise' is already a member of `dialout'.
blaise@king-desktop:~$ groups
blaise adm dialout cdrom plugdev lpadmin admin sambashare
just to be sure:
blaise@king-desktop:~$ sudo adduser blaise dialout
[sudo] password for blaise:
The user `blaise' is already a member of `dialout'.