This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Runlevels control what daemons are started/stopped. Profiles are run when users create a new command environment. Mostly by logging in or creating a new command shell such as by executing the "sudo" command or opening a new terminal window.
So the answer is: runlevels have no connection to profiles at all.
An IDE is no substitute for an Intelligent Developer.