я так понял это вот про такие вот настройки https://linux.die.net/man/8/mount.ntfs-3g
umask=value
Set the bitmask of the file and directory permissions that are not present. The value is given in octal. The default value is 0 which means full access to everybody.
fmask=value
Set the bitmask of the file permissions that are not present. The value is given in octal. The default value is 0 which means full access to everybody.
dmask=value
Set the bitmask of the directory permissions that are not present. The value is given in octal. The default value is 0 which means full access to everybody.
битовые маски отключения прав.
линуксовых прав нет в нтфс, поэтому начинаются межрасовые сношения