systemd-shutdownd.socket (8) Linux Manual Page
systemd-shutdownd.service, systemd-shutdownd.socket, systemd-shutdownd – Scheduled shutdown service
Synopsis
systemd-shutdownd.service
systemd-shutdownd.socket
/usr/lib/systemd/systemd-shutdownd
Description
systemd-shutdownd.service is a system service that implements scheduled shutdowns, as exposed by shutdown(8). systemd-shutdownd.service is automatically activated on request and terminates itself when it is unused.