How to set up permissions on a tekkit server running essentials?

[cruck1000]

I have made a tekkit server and i was wondering if someone could help me set up permissions. I was hoping to let certain people only set a home and nothing else. Also other things. PLEASE help! URGENT

[DragnHntr]

PLEASE help! URGENT

Oh well if it's URGENT, here ya go.

[sct]

... not urgent enough

[T-man]

1) turn it off

2) turn it on

3) turn it off again

4) profit