Put the full magazine name in here so we can avoid buying it
lol. Anyway, this thread might be helpful for you:
made by trickykid. I hope it will help you as much as it helped me. TAR is a compressed file, as .zip or .ace. I think you will find more about it at the link I've just gave ya.
Don't give up on Linux... it really is hard at the beginning, but it's worthy. After few months, you will get back booting into Windows and you will see that it just doesn't "feel" right
Good luck and welcome to LinuxQuestions.org!!!