DIR Horror_stories_history HTML abrupt_loss_of_power HTML absense_of_testing_of_complex_commands HTML creative_uses_of_rm HTML excessive_zeal_in_improving_security_of_the_system HTML execution_of_command_in_the_wrong_directory HTML locking_yourself_out HTML missing_backup HTML mistakes_made_because_of_the_differences_between_unix_flavours HTML multiple_administrators_on_the_server HTML ownership_changing_blunders HTML patching_horrors HTML performing_the_operation_on_a_wrong_server HTML premature_or_misguided_optimization HTML pure_stupidity HTML reboot_horrors HTML regular_expressions_blunders HTML side_effects_of_performing_operations HTML switchboard HTML typos_in_the_commands_with_disastrous_consequnces HTML unintended_consequences_of_poorly_written_scripts