Como podria modelar esto

[Casimiro Noteví]

Sí, son motivos filosóficos, más bien. Por cierto, he comprobado qué software no libre tengo instalado y me ha salido esto:

antonio@linox:~$ vrms
               Non-free packages installed on linox

lha                       lzh archiver
nvidia-current            NVIDIA binary Xorg driver, kernel module and VDPAU lib
p7zip-rar                 non-free rar module for p7zip
rar                       Archiver for .rar files
unrar                     Unarchiver for .rar files (non-free version)
w32codecs                 win32 binary codecs

                Contrib packages installed on linox

flashplugin-installer     Adobe Flash Player plugin installer
flashplugin-nonfree       Adobe Flash Player plugin installer (transitional pack
flashplugin-nonfree-extra Adobe Flash Player platform support library for Esound
gstreamer0.10-pitfdll     GStreamer plugin for using MS Windows binary codecs
nvidia-common             Find obsolete NVIDIA drivers
nvidia-settings           Tool of configuring the NVIDIA graphics driver
ttf-mscorefonts-installer Installer for Microsoft TrueType core fonts
virtualbox-4.1            Oracle VM VirtualBox

  6 non-free packages, 0.4% of 1620 installed packages.
  8 contrib packages, 0.5% of 1620 installed packages.
antonio@linox:~$