/etc/xdg/xdg-Lubuntu/lxqt/session.conf is in lubuntu-default-settings 0.54.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | [General]
window_manager=openbox
leave_confirmation=false
[Environment]
BROWSER=qupzilla
GTK_CSD=0
GTK_OVERLAY_SCROLLING=0
TERM=qterminal
[Mouse]
cursor_size=18
cursor_theme=DMZ-White
acc_factor=20
acc_threshold=10
left_handed=false
[Keyboard]
delay=500
interval=30
beep=false
[Font]
antialias=true
hinting=true
dpi=96
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