SYSTEM_DEFAULT 436 uspace/app/shutdown-dlg/shutdown-dlg.c rc = system_open(SYSTEM_DEFAULT, &sd_system_cb, sddlg, &sddlg->system); SYSTEM_DEFAULT 196 uspace/app/shutdown/shutdown.c rc = system_open(SYSTEM_DEFAULT, &sd_system_cb, &shutdown, &system); SYSTEM_DEFAULT 586 uspace/srv/system/system.c rc = loc_service_register(srv, SYSTEM_DEFAULT, &sid);HelenOS homepage, sources at GitHub