/usr/share/dx/samples/programs/Duplicates.cfg is in dxsamples 4.2.0-1.
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 | //
// time: Wed Apr 9 15:32:47 1997
//
// version: 3.1.1 (format), 3.1.4 (DX Beta)
//
// Message Window:
// window: position = (0.5,0.5), size = 0.4x0.4
|