Podemos utilizar a dpkg para:
Desired=Unknown/Install/Remove/Purge/Hold
| Estado=No/Instalado/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: mayúsc.=malo)
||/ Nombre Versión Descripción
+++-===================================================
ii xpdf 2.03-2 Portable Document Format (PDF) suite
/.
/usr
/usr/share
/usr/share/doc
/usr/share/doc/xpdf
guadalinex:~# dpkg -s xpdf
Package: xpdf
Status: install ok installed
Priority: optional Section: text Installed-Size: 6
Maintainer: Hamish Moffatt <hamish@debian.org>
Version: 2.03-2 Replaces: xpdf-i (<= 0.90-8)
Depends: xpdf-reader (= 2.03-2), xpdf-utils (= 2.03-2), xpdf-common (= 2.03-2)
Conflicts: xpdf-i (<= 0.90-8)
Description: Portable Document Format (PDF) suite xpdf is a suite of tools for Portable Document Format (PDF) files. (These are sometimes called 'Acrobat' files after the name of Adobe's PDF software.) . The tools include xpdf, a PDF viewer (in the package xpdf-reader), and PDF converters (including to/from PostScript) (in the package xpdf-utils). . This package is intended for compatibility with previous versions of this package only. You can safely remove it from your system.
xpdf xpdf-common: /usr/share/xpdf/turkish
xpdf-common: /etc/xpdf/xpdfrc
...
xpdf-reader: /usr/bin/xpdf.bin