API for emulating programmicaly fat system WITHOUT driver/kernel with function FATS_Createfile than CreateFile.Possibility : Encipher/encrypt fat by password, Hosting fat into image disk or memory is possible. For accesibility since windows explorer , a kernel software is required (VDFS API,or other). API Fat Support ACL (DACL_SECURITY_INFORMATION, GROUP_SECURITY_INFORMATION, OWNER_SECURITY_INFORMATION).