Hoy he aprendido, gracias a r0sk, un estupendo comando que dice qué porcentaje de software libre utilizas: vrms.
Non-free packages installed on stormed
firmware-ipw3945 Binary firmware for Intel Wireless 3945 (old style)
gcc-4.1-doc documentation for the GNU compilers (gcc, gobjc, g++)
gcc-doc-base several GNU manual pages
googleearth Google Earth, a 3D map/planet viewer
ipw3945d Binary userspace regulatory daemon for Intel PRO/Wirel
nvidia-kernel-2.6.18-4-48 NVIDIA binary kernel module for Linux 2.6.18-4-486
nvidia-kernel-source NVIDIA binary kernel module source
opera The Opera Web Browser
rar Archiver for .rar files
skype Skype – Take a deep breath
sun-java6-bin Sun Java(TM) Runtime Environment (JRE) 6 (architecture
sun-java6-demo Sun Java(TM) Development Kit (JDK) 6 demos and example
sun-java6-fonts Lucida TrueType fonts (from the Sun JRE)
sun-java6-jdk Sun Java(TM) Development Kit (JDK) 6
sun-java6-jre Sun Java(TM) Runtime Environment (JRE) 6 (architecture
sun-java6-plugin The Java(TM) Plug-in, Java SE 6
sun-java6-source Sun Java(TM) Development Kit (JDK) 6 source files
unrar Unarchiver for .rar files (non-free version)
Reason: Modifications problematic
Non-free packages with status other than installed on stormed
libparmetis3.1 ( dei) Parallel Graph Partitioning and Sparse Matrix
ndasadmin ( dei) NDAS administration software
nvidia-glx ( dei) NVIDIA binary XFree86 4.x driver
Reason: Proprietary license
nvidia-kernel-2.6.18-4-68 ( dei) NVIDIA binary kernel module for Linux 2.6.18-4
22 non-free packages, 1.2% of 1861 installed packages.