Allow changing dir/accessing other files than login/* when not logged in, if the client supports it.
Switch on strange compatibility mode for opening files.
If an opencall do an open for writing but the file is read-only then this call will not fail but open the file as read-only.
Allow the rename file call (NCP function 0x45) renaming of directories.
Normally the rename file call returns an error if this routine is used for renaming directories.
Allows to delete a file even if the file is opened by another process.
Store file base entries for later use. Normally only directory base entries are stored.
Necessary if using ncpfs as mars_nwe client.
Limit's volume's free space info to 2 GB in some volume info calls.
Some DOS clients need it.