Find out what files are provided by the installed package, i.e. list where files were installed.

sudo dpkg -L [package name]

dpkg -L apache-perl
dpkg -L perl

List files provided (or owned) by the package.

• i.e. List all files inside debian .deb package file - very useful to find where files would be installed.

sudo dpkg -c [package name]

dpkg -c dc_1.06-19_i386.deb