/usr/lib/mate-settings-daemon/housekeeping.mate-settings-plugin is in mate-settings-daemon-pulse 1.8.2-4.
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 | [MATE Settings Plugin]
Module=housekeeping
IAge=0
Name=Housekeeping
Description=Automatically prunes thumbnail caches and other transient files, and warns about low disk space
Authors=Michael J. Chudobiak
Copyright=Copyright © 2008 Michael J. Chudobiak
Website=
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