Which four statements are about the use of these files and directories by UPSTART?

A.
/etc/rc.d/rc.sysint is executed each time the /sbin/init command is used to change the run
level.

B.
/etc/rc.d/rc3.d contains links to scripts in /etc/init.d.

C.
/etc/rc.d/rc.sysinit is executed once at boot time, regardless of which run level is set.

D.
/etc/rc.d/rc is executed at boot time, to start the appropriate services for the run level
defined in /etc/initab.

E.
/etc/rc.d/rc.local is executed at boot time, before the run level processing takes place.

F.
/etc/rc.d/rc is executed each time the /sbin/init command us used, to change services

appropriately for the target run level.

G.
/etc/rc.d/rc is executed after /etc/rc.d/rc.local.