One more thing,I have been reading http://people.redhat.com/twaugh/parport/html/parportguide.html (The Linux 2.4 Parallel Port Subsystem)
it seems to help alittle. Well thanks. hdeperl -e '$word="\n!REKCAH UNG REHTONA TSUJ";print($string = reverse $word);'
OUTPUT: JUST ANOTHER GNU HACKER!