dpkg.cfg − dpkg configuration file
This file contains default options for dpkg. Each line contains a single option which is exactly the same as a normal command line option for dpkg except for the leading hyphens which are not used here. Quotes surrounding option values are stripped. Comments are allowed by starting a line with a hash sign (‘#’).
/etc/dpkg/dpkg.cfg.d/[0−9a−zA−Z_−]*
/etc/dpkg/dpkg.cfg
˜/.dpkg.cfg
dpkg(1).