creating a new field and have the field show on the registration.

freeeeemind

hi, can someone help me make a new field?
ex.
default fields are:
Username
Joined
Visits
Last Active
Roles
Register IP
Last IP

i want to add
->interest
->hobby

i want it to be added on registration on twitter fb and manual signup.

please help im pretty new

ahmed_badawy

same here, i want to make new field and just showing for admin and the user