#!/usr/bin/perl

######
#the above (#!) is a shebang which when it preceeds a path to an 
#executable will cause the rest of the text in the file to be 
#interpreted by that executable.  
#FYI: the '#' character indicates the rest of the line is to be 
#ignored by the perl comiler.  The exception to this is when 
#the # is part of a shebang, or is in the correct quotes.
##########

##########
#'use' is an import statement for pragmas and modules.
#in this case, we are using the strict pragma which is 
#a set of restrictions that prevent us from writing obtuse code... 
#using strict will save you a lot of headaches.
##########

use strict;

##########
#now the script will do something!  
##########

print "\n\thello world!\n\n";

#note1 '\n' is a special character to print a newline.
#note2 '\t' is a special character to print a tab.