Server Operators built-in group

Hi all,

Apologies in advance if this has been covered extensively, I have searched the forums and the technotes + ms site etc etc.. and I have royally confused myself on these built-in groups.

Ok, so local groups Administrators and Power Users have permissions to create shares on servers. No problems.
But Server Operators also have right to create shares, but ONLY on domain controllers is that right?

So, that being the case, does that mean members of the Print Operators group can only manage printers on DC's, same for Backup Ops etc.

I'm sure this is really obvious, and I have just missed something critical and gotten confused.

Any help really appreciated.

Thanks!