Install dlocate by entering the following commands in the terminal:
sudo apt update sudo apt install dlocate
fast alternative to dpkg -L and dpkg -S
Uses GNU grep and text dumps of dpkg's data to greatly speed up finding out which package a file belongs to (i.e. a very fast dpkg -S). Many other uses, including options to view all files in a package, calculate disk space used, view and check md5sums, list man pages, etc.