can you explain a bit more. these are the contents of my folder


BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso30+0m5) built-in shell (ash)
Enter 'help' for a list of built-in commands.

/home/user # exit
~ $ root


BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso30+0m5) built-in shell (ash)
Enter 'help' for a list of built-in commands.

Nokia-N900:~# cd /opt/preenv/lib/
Nokia-N900:/opt/preenv/lib# ls
libNPAPIInterface.so libluna-prefs.so
libPiranha.so liblunaservice.so
libPmIpcLib.so libmjson.so
libSDL.so libnapp.so
libSDL_cinema.so libopencore-amrnb.so
libSDL_mixer-1.2.so.0 libopencore-amrnb.so.0
libSDL_mixer-1.2.so.0.10.1 libopencore-amrnb.so.0.0.2
libavcodec.so libopencore-amrwb.so
libavcodec.so.52 libopencore-amrwb.so.0
libavdevice.so libopencore-amrwb.so.0.0.2
libavdevice.so.52 libpalmvibe.so
libavdevice.so.52.2.0 libpdl.so
libavformat.so libpng.so
libavformat.so.52 libpng.so.3
libavformat.so.52.64.2 libpng.so.3.44.0
libavutil.so libpng12.so
libavutil.so.50 libpng12.so.0
libavutil.so.50.15.1 libpng12.so.0.44.0
libcjson.so libsaxparse.so
libdbus-gmain.so.0 libsdlpre-tab.so
libfaac.so libsdlpre.so
libfaac.so.0 libstub.so
libfaac.so.0.0.0 libswscale.so
libgdbus.so libswscale.so.0
libgdbus.so.0 libswscale.so.0.11.0
libhid.so
Nokia-N900:/opt/preenv/lib#