$ dpkg -s libreoffice-writer Package: libreoffice-writer Status: install ok installed Architecture: i386 Source: libreoffice Version: 1:3.6.4-0ubuntu1~quantal1
$ dpkg -s unity Package: unity Status: install ok installed Architecture: i386 Version: 6.12.0-0ubuntu0.2
$ dpkg -s libreoffice-writer 0ubuntu1~ quantal1
Package: libreoffice-writer
Status: install ok installed
Architecture: i386
Source: libreoffice
Version: 1:3.6.4-
$ dpkg -s unity
Package: unity
Status: install ok installed
Architecture: i386
Version: 6.12.0-0ubuntu0.2