Actually, you may not be able to use init.d anymore. The old sysv initialization scheme was replaced by systemd several years ago. For a long while dual-mode operation was supported to provide backwards compatibility, but I don't know if Ubuntu still does. And, of course, Your Mileage May Vary depending on which version of Ubuntu you're using.
"privilege" comes from the Latin words for "private" and "law" (legal) and dates to feudal times. To "claim privilege" meant that you were above the laws that applied to the common people.
I'm THIS CLOSE to ruling the world! Right after reading this tiny ad: