Sometime on Jan 19, Rahul Saxena assembled some asciibets to say:
How do i add myself to the group? i guess.. in that case i wont be in my original group.
No, you can be a member of n groups at one time. Pick your choice of n.
would it be better if we ran the system in single user mode ???
No, it isn't a good idea. It isn't a good idea to work as root either, even if you trust everyone involved. Mistakes happen.