Here my output. Thank you for your interest /home/user # apt-get remove --purge grep-gnu Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: grep-gnu* WARNING: The following essential packages will be removed. This should NOT be done unless you know exactly what you are doing! grep-gnu 0 upgraded, 0 newly installed, 1 to remove and 2 not upgraded. After this operation, 1143kB disk space will be freed. You are about to do something potentially harmful. To continue type in the phrase 'Yes, do as I say!' ?] Yes, do as I say! dpkg - warning, overriding problem because --force enabled: This is an essential package - it should not be removed. (Reading database ... 28776 files and directories currently installed.) Removing grep-gnu ... Purging configuration files for grep-gnu ... dpkg: error processing grep-gnu (--purge): subprocess post-removal script returned error exit status 1 Errors were encountered while processing: grep-gnu E: Sub-process /usr/bin/dpkg returned an error code (1) /home/user #
apt-cache rdepends grep-gnu