$ ~/perl5/bin/perl -e 'print "$_\n" foreach (@INC)' 
/home/jason/perl5/lib/perl5/5.8.6/x86_64-linux
/home/jason/perl5/lib/perl5/5.8.6
/home/jason/perl5/lib/perl5/site_perl/5.8.6/x86_64-linux
/home/jason/perl5/lib/perl5/site_perl/5.8.6
/usr/local/lib/perl5/5.8.6/x86_64-linux
/usr/local/lib/perl5/5.8.6
/usr/local/lib/perl5/site_perl/5.8.6/x86_64-linux
/usr/local/lib/perl5/site_perl/5.8.6
/usr/local/lib/perl5/site_perl
.
$ ~/perl5/bin/perl -e 'print "$_\n" foreach (@LIB)' 
$ /usr/bin/perl -e 'print "$_\n" foreach (@LIB)'