dm-tool --version (return code: 0)
lightdm 1.18.3
dm-tool --help (return code: 0)
Usage:
dm-tool [OPTION...] COMMAND [ARGS...] - Display Manager tool
Options:
-h, --help Show help options
-v, --version Show release version
--session-bus Use session D-Bus
Commands:
switch-to-greeter Switch to the greeter
switch-to-user USERNAME [SESSION] Switch to a user session
switch-to-guest [SESSION] Switch to a guest session
lock Lock the current seat
list-seats List the active seats
add-nested-seat [--fullscreen|--screen DIMENSIONS] Start a nested display
add-local-x-seat DISPLAY_NUMBER Add a local X seat
add-seat TYPE [NAME=VALUE...] Add a dynamic seat