flatpak-kill (1) Linux Manual Page
flatpak-kill – Stop a running application Synopsis flatpak kill INSTANCEDescriptionStop a running Flatpak instance. INSTANCE can be either the numeric instance ID or the application ID of a running Flatpak. You can use flatpak ps to find the instance IDs of running flatpaks. OptionsThe following options are understood: -h, –help Show help options and exit….
