Configuring NTFS Permissions
On an NTFS volume, you can set permissions down to the file level. This means for any file you can give individual users different types of access. Although you can set such detailed permissions, this way lies madness for all but the most meticulous of control freaks (who are, arguably, already mad).
Always try to operate with the simplest possible permissions. Set as few restrictions as possible. Assign permissions to groups, not individuals. Don’t set file-by-file permissions unless it is unavoidable. Managing the minutiae of permissions can easily and quickly soak up all your time and much of your life’s blood as well, unless you guard against it.
What the Permissions Mean
Windows 2003 Server has a set of standard ...