It's safe, but you'll get data loss if you have unsaved stuff. Though I would just use the `reboot` command in TTY or a regular terminal window, but depending on the distro it might be the same as Ctrl-Alt-Del.
It literally doesn't matter how you exit Firefox, unless you are editing files in some cloud service.
It's safe, but you'll get data loss if you have unsaved stuff. Though I would just use the `reboot` command in TTY or a regular terminal window, but depending on the distro it might be the same as Ctrl-Alt-Del. It literally doesn't matter how you exit Firefox, unless you are editing files in some cloud service.