Have you ever removed an application and installed it again, only to notice that all your settings are in place? 

It’s because the apt remove command doesn’t remove the configuration files.

Read more 👉 https://itsfoss.com/apt-remove-purge/

#Linux

apt remove vs apt purge: What's the Difference?

apt remove and apt purge are two similar commands used for uninstalling applications in Ubuntu and Debian. So, what's the difference?

It's FOSS
@itsfoss learned that the fun way: debugging a problem service and wondering why it was still broken after “reinstall”