this is done so that if we want to reinstall the same package on a photo, the settings we would have made are preserved. sudo apt get remove torbrowser-launcher: this command deletes a package installed on our computer but keeps all the configuration files of the package.that is, the packages that were downloaded but never installed or the dependencies that were left in the cache after a new package was installed. sudo apt get clean: this command deletes all packages that are in the computer's cache.by including the name of the package at the end of the command, we can filter for results that contain only that string. dpkg l torbrowser-launcher: with this command we list all the packages installed on our computer.apt get install torbrowser-launcher: the command apt-get install checks the dependencies of the package we want to install, downloads the package, verifies it and then passes the execution to the dpkg command to install it.it simply updates the list of available packages and the updates available to them. apt get update: this command does not install any packages or any dependencies on them.This is a brief explanation of the function of the commands used in the installation and uninstallation package torbrowser-launcher:

Tor browser debian jessie