hi im here once more for help with my linux mandrake 8.2

ok heres the situation i have no idea what im doing on this os. i am a windows user who wanted
to learn a new os. surprisingly i set up my internet conncetion by myself. i need help securing my linux
and some tutorials on how to access information and folders (if they exist in linux). also how to load
programs and video games like unreal tournament and max payne. how to install you know the works
on using linux. if anyone can, can you make a list of programs i can use to play music and burn cds and
have antiviral protection. i searched the web and so far came up with nothing i could do. Thanks ahead of
time and if you have any questions do ask.


oh almost forgot

What are iptables

thanks