Binary package “systemctl” in ubuntu focal

daemonless "systemctl" command to manage services without systemd

 "systemctl" is a replacement command to control system daemons without
 systemd. "systemctl" is useful in application containers where systemd is
 not available to start/stop services.
 This script can also be run as init of an application container (i.e. the
 main "CMD" on PID 1) where it will automatically bring up all enabled
 services in the "" and where it will reap all zombies
 from background processes in the container. When stopping such a container
 it will also bring down all configured services correctly before exit.