Adduser

adduser is a front-end available on Debian (and Debian-derived) systems to the low-level useradd command.

Examples
adduser -c "First Middle Last" #add user " for text with spaces after -c adduser -m username # add user and Make homedirectory adduser -c "First Middle Last" -g server #adduser to group server adduser -c "First Middle Last" -g server -G project #adduser to optional group project adduser -c "First Middle Last" -g server -G project -s /bin/bash #set users shell adduser -c "First Middle Last" -g server -G project -s /bin/bash fml #set login name

After adduser you should use passwd to assign a password.