The contents of Ntconfig.sys are merged with the NTuser.dat file found in the user profile location. File names Alias s are automatically made on windows NT FAT systems. The root directory can only have 512 entries. 1 entry is 13 characters, plus 1 for the alias. I.e. Filename September sales results.xls would be 4 entries.
Shares are the only permissions available.
Directory shares can have permissions set to them. These permissions would only be active over the network, locally they would not apply. Shared directories allow network users to access all files and sub-directories below the shared directory. Inherits Inherits File permissions override folder permissions. If a user has change permission to a document in a folder with No access permission the user could make changes to the document.