In the past, OpenRC was a hybrid of a centralized and file-scope
license/copyright structure.
I followed the instructions from the Software Freedom Law Center [1] to
convert to a Centralized structure where possible, for easier future
maintenance.
[1] https://softwarefreedom.org/resources/2012/ManagingCopyrightInformation.html
The runlevels shutdown, reboot, sysinit and single should be called by
init(8) and shutdown(8) and not manually.
sysvinit users will have to add sulogin to their inittab to secure the
console.
