/usr/share/budgie-desktop/keycontrol/custom-keys.d/windowshuffler.dconf is in budgie-desktop-environment 0.9.9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | [custom-keybindings/windowshuffler]
binding='<Super>s'
command='/usr/share/budgie-desktop/windowshuffler/matrix_wrapper'
name='Toggle Window Shuffler'
|