i know its used for wen u download sumthing it asks u to enter it, but wat else, if i put another account on the mac, do i have to make another master password? do u need to make master password for every account or sumthing? cuz im planning to get leopard, my dad will use the parental controls, which uses the master password, so i cant know it, but wen i download sumthing, i need to know it, and do u need it to download pdfs, docs, images, videos and all, or just apps, and if i put another account on it, will the parental control settings work on that other account too? do u get to make another password so wen u download things, its not the master password that u use, please answer, i know these are alot of questions!!!!