What is the lock screen command in Ubuntu 17.10?

I want to shortcut the command since I don't have any dedicated special key for this on my Lenovo T470s. If I press the super (Windows) key and search for 'lock screen' I get a button to click on that does the job but I can't figure out the terminal command from there.


2 Answers 2


You can lock screen using the default Super+L key combination (Super is usually the Windows key).

You can also lock using the following commands

gnome-screensaver-command --lock

(needs gnome-screensaver package installed)


dbus-send --type=method_call --dest=org.gnome.ScreenSaver /org/gnome/ScreenSaver org.gnome.ScreenSaver.Lock

(needs GDM).


The new 19.10 way of doing this is:

xdg-screensaver lock

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