The Startup process follows the Boot process. Some people consider Startup as part of the boot process, but it is really not — at least for purists. The Boot process ends with loading init. init then initiates the Startup process.
This section covers the Startup process which launches the daemons and programs that bring the Linux computer up to a usable state.
There is a new startup and service management tool, systemd, that began to be used starting with Fedora 15. Fedora 16 continues the migration to systemd.