fwiw, this post has a good list of all the binaries included in the systemd project, and their reliance on PID1 or the systemd (systemd-init) binary (as they use the API).<p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9517040" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9517040</a>