Essentials [Warps, jails and so on]

[Jammet]

I don't know if I'm doing this all wrong, but once I install the plugin, many of the commands just don't do anything, and many of them I wouldn't really want, or at least not to every player.

I'm sure it is me who's not understanding it. There are some some sort of permissions, but so far, I've never seen a howto about them.