Devuan GNU+Linux is a free software operating system for your
computer. Free software means you are free to use, copy
and distribute, study, change the software, and share your
modifications with the community.
software freedom, your way
apt install initscripts
admin : required
scripts for initializing and shutting down the system
The scripts in this package initialize a standard Debian
system at boot time and shut it down at halt or reboot time.