Originally Posted by Rul
... I can tell you that the files that you create don't inherit the permissions of its father directory...
This is true, with Linux it is not the same as in Windows or NTFS-filesystem respectively where you can configure that permissions are being inherited.
Please note that the correct word is parent-directory
instead of fatherdirectory, though everyone will understand this, one would better use the correct word when googling for more information.