kde-devel@cheguevara-laptop:~$ vrms
         Non-free packages installed on cheguevara-laptop

linux-generic             Complete Generic Linux kernel
linux-restricted-modules- Non-free Linux 2.6.22 modules on x86/x86_64
linux-restricted-modules- Non-free Linux 2.6.24 modules on x86/x86_64
linux-restricted-modules- Non-free Linux 2.6.24 modules helper script
linux-restricted-modules- Restricted Linux modules for generic kernels
sun-java6-bin             Sun Java(TM) Runtime Environment (JRE) 6 (architecture
sun-java6-jre             Sun Java(TM) Runtime Environment (JRE) 6 (architecture
sun-java6-plugin          The Java(TM) Plug-in, Java SE 6
unrar                     Unarchiver for .rar files (non-free version)
  Reason: Modifications problematic

  9 non-free packages, 0.7% of 1283 installed packages.
kde-devel@cheguevara-laptop:~$