Historical note - "switch-to-greeter" existed before "lock". So it really should be called "switch-user" or "switch-to-greeter-and-show-in-configuration-shown-on-first-boot".
Historical note - "switch-to-greeter" existed before "lock". So it really should be called "switch-user" or "switch- to-greeter- and-show- in-configuratio n-shown- on-first- boot".