It's actually quite small, even including all those components. Its components are quite granular, as well. Compared to the reams of code in existing init syst

It's actually quite small, even including all those components. Its components are quite granular, as well. Compared to the reams of code in existing init systems + all the shell scripts out there related to init and/or management, systemd has a tiny amount of code. Also, there are useful features that can't be achieved without being pid 1.