I do not understand why sudo gets a separate PID (e.g. 1620) while starting dockerd (e.g. 1628) with sudo? To which PID should I send SIGTERM to stop the dockerd? ps aux | grep dockerd pstree -ps Answer I do not understand why sudo gets a separate PID (e.g. 1620) while starting dockerd (e.g. 1628) with sudo? It is just