#!/usr/bin/perl
use warnings;
use strict;

my $linkurl = 'http://google.com';
#my $linkurl = 'linux-tips.html';
#my $file = 'links_from_HTML.html';

#my $command = "firefox $file";
# if(fork() == 0){ exec ($command) }  #works

#system( $command );

#external url
my $command = "firefox $linkurl";
if(fork() == 0){ exec ($command) }