computer:
boot, getty, ksysv, start
files:
/sbin/init,
/etc/inittab,
/etc/init.d,
/usr/share/doc/sysvinit
Upstart.UBUNTU.com >>Upstart is an event-based replacement for the /sbin/init daemon which handles starting of tasks and services during boot, stopping them during shutdown and supervising them while the system is running.
Unix.Schottelius.org/cinit >>cinit is a fast, small and simple init with support for profiles.
initng is a
new version that may be
worth watching.
UBUNTU Edgy will
use Upstart to
manage
services