$ perl -e 'print "$_\n" foreach @INC'
/usr/local/lib64/perl5
/usr/local/lib/perl5/site_perl/5.18.1/x86_64-linux
/usr/local/lib/perl5/site_perl/5.18.1
/usr/local/lib/perl5/5.18.1/x86_64-linux
/usr/local/lib/perl5/5.18.1
.