apt will sometimes prompt you to confirm really dangerous options too: sudo apt-get purge login .. WARNING: The following essential packag

apt will sometimes prompt you to confirm really dangerous options too: sudo apt-get purge login .. WARNING: The following essential packages will be removed. This should NOT be done unless you know exactly what you are doing! login 0 upgraded, 0 newly installed, 1 to remove and 303 not upgraded. After this operation, 1,212 kB disk space will be freed. You are about to do something potentially harmful. To continue type in the phrase 'Yes, do as I say!' ?]