Another tool for identifying software dark matter on a Debian based system is cruft-ng: https://github.com/a-detiste/cruft-ng/ https://github.com/a-detiste/cru

Another tool for identifying software dark matter on a Debian based system is cruft-ng: https://github.com/a-detiste/cruft-ng/ https://github.com/a-detiste/cruft-ng/ Eventually it will enable a Debian system to account for (in some way) every single file visible on the live system.