!! IMPORTANT !! To start using sinit, edit /etc/init/sinit-launch-services.boot And uncomment the getty function, and Optionally uncomment the runit function If you deem necessary. sinit is installed as /usr/bin/sinit. It can fully replace busybox init by running the following command. kiss a | grep ^sinit | kiss a - NOTE: If swapping from busybox init on a running system, shutdown/reboot by invoking 'busybox-init poweroff'. sinit's poweroff/reboot utilities can't be of use until it is actually running.