do you connect to the internet? if so, it is a very bad idea to give yourself root priv. for security reasons.
that aside here are several ideas (in order from best scenario, to worst-ie serious security issues)...
1. you can type "su" from the command line, for root priv.
2. you could run programs from gui as another user (root in this case).
3. you could make yourself a member of the "root" group.
i'm sure there are many others, but this should get you started.