* Output from the apt-cache program is presented.
     * Related packages are accessible via hyperlinks.
     * Perform package searches using regular expressions, and more sophisticated searches using grep-dctrl.
     * Easy exploration of packages and their normal and reverse dependencies.
     * Quick access to package ChangeLog, README, NEWS and copyright files.
     * Quick access to package man pages.
     * Browse online ChangeLog and copyright files, bug reports and package versions.
     * List files in installed packages (using Dired).