or download this
$ PERL_DL_DEBUG=1 perl -MList::Util -e'print join"\n",sort values %INC
+'
...
...
/usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/Config.pm
/usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/DynaLoader.pm
/usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/XSLoader.pm