Try these
*www.google.com/search?sourceid=mozclient&scoring=d&ie=utf-8&oe=utf-8&q=Difference+between+fat+vfat
*www.dewassoc.com/kbase/hard_drives/file_systems_2.htm
*www.systemsmedic.com/SoftwareEdu2.htm
*www.unix.org.ua/orelly/perl/sysadmin/ch02_02.htm
