How to remove/uninstall packages in Ubuntu

To remove everything related to the package, its binaries, the configuration/data files and dependencies that are installed with the package:

sudo apt-get --purge autoremove packagename

To remove the package binaries and the configuration/data files but not the dependencies that are installed with the package:

sudo apt-get purge packagename

To remove the package binaries but not the configuration/data files and dependencies:

sudo apt-get remove packagename

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