Start with the classic "hello World" program. Make a file like this:

#!/usr/bin/perl -w 
use strict;

print "Hello World\n";
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Save that file as "Hello.pl"
do a ls -al ....you should see that file...
make sure that this file has execute permissions: chmod Hello.pl u +rx
type ls -al Hello.pl at the comand line...just will list the program... then type just Hello.pl and the program should run...