Systems which are freshly installed and want to change to sysvinit can do "sudo apt install sysvinit-core". Or they can try out runit, openrc or nosh, if they

Systems which are freshly installed and want to change to sysvinit can do "sudo apt install sysvinit-core". Or they can try out runit, openrc or nosh, if they feel adventurous. The last one is not yet in Debian proper.