You are making the oft-made error of thinking that System 5 rc was the precursor to systemd. On several major systems it was not. The precursor was upstart on

You are making the oft-made error of thinking that System 5 rc was the precursor to systemd. On several major systems it was not. The precursor was upstart on Fedora and Ubuntu, for example. See http://uselessd.darknedgy.net/ProSystemdAntiSystemd/ http://uselessd.darknedgy.net/ProSystemdAntiSystemd/ for the System 5 rc fallacy and several others to avoid.