Every how and then you need to find out what libraries a certain application is
using. Log in to your shell prompt and type eg :
> ldd `which nano`
You should see a result like:
> ldd -v `which nano`
linux-gate.so.1 => (0xb7f58000)
libncursesw.so.5 => /lib/libncursesw.so.5 (0xb7f0e000)