12.5. The File System
NT Server supports two file systems: FAT (file allocation table) and NTFS (New Technology File System). Although both support long filenames, FAT is optimized for drives up to 500MB, and NTFS is designed for drives of 500MB and larger. NTFS is the preferred file system for storing applications and user files because it supports file and directory-level permissions; FAT does not.
Recovering deleted files is supported only under the FAT file system. NT provides no tools for recovering files that are remotely deleted from an NTFS drive.
You can associate two types of permissions with files and directories: share permissions and file permissions. Share permissions are enforced when users remotely attach to a shared file ...