/Downloads$ lightdm --show-config
[Seat:*]
F guest-wrapper=/usr/lib/lightdm/lightdm-guest-session
K greeter-session=arctica-greeter
E greeter-wrapper=/usr/lib/lightdm/lightdm-greeter-session
L allow-guest=true
G user-session=mate
H xserver-command=X -core
I type=xlocal
I display-setup-script=/sbin/prime-offload
I display-stopped-script=/sbin/prime-switch
O autologin-user=andy
M greeter-show-manual-login=false
K greeter-show-remote-login=true
L greeter-allow-guest=true
O autologin-guest=false
O autologin-user-timeout=0
[LightDM]
D backup-logs=false
L guest-account-script=arctica-greeter-guest-account-script
Sources:
A /usr/share/lightdm/lightdm.conf.d/50-arctica-greeter-guest-wrapper.conf
B /usr/share/lightdm/lightdm.conf.d/50-arctica-greeter.conf
C /usr/share/lightdm/lightdm.conf.d/50-disable-guest.conf
D /usr/share/lightdm/lightdm.conf.d/50-disable-log-backup.conf
E /usr/share/lightdm/lightdm.conf.d/50-greeter-wrapper.conf
F /usr/share/lightdm/lightdm.conf.d/50-guest-wrapper.conf
G /usr/share/lightdm/lightdm.conf.d/50-ubuntu-mate.conf
H /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf
I /usr/share/lightdm/lightdm.conf.d/90-nvidia.conf
J /etc/lightdm/lightdm.conf.d/12-autologin.conf
K /etc/lightdm/lightdm.conf.d/90-arctica-greeter.conf
L /etc/lightdm/lightdm.conf.d/91-arctica-greeter-guest-session.conf
M /etc/lightdm/lightdm.conf.d/91-arctica-greeter-mate.conf
N /etc/lightdm/lightdm.conf.d/autologin.conf
O /etc/lightdm/lightdm.conf