Как в Ubuntu называется пакет… ?

% cat /etc/zsh_command_not_found
# (c) Zygmunt Krynicki 2007,
# Licensed under GPL, see COPYING for the whole text
#
# This script will look-up command in the database and suggest
# installation of packages available from the repository

if [[ -x /usr/lib/command-not-found ]] ; then
        function command_not_found_handler() {
                /usr/lib/command-not-found --no-failure-msg -- $1
        }
fi

$ dpkg -S /usr/lib/command-not-found
command-not-found: /usr/lib/command-not-found