open the file /etc/fstab using vi editor..for that at the prompt, as root, type
vi /etc/fstab
then in insert mode type in the line that is mentioned above in some of the replies

that is, towards the end of the fstab file add the following entry..(i assume your fat32 partition is /dev/hda1


/dev/hda1 /mnt/win1 defaults 0 0

for the above you have to create the directory win1 under /mnt, though you do have the option to mount it anywhere....you said you are a newbie..if you dont know to use vi then i think you should first get in touch with how to use vi or any editor in linux
i hope this helps