OTT samba users query

[dave s]

On Friday 17 Feb 2006 12:03, Zach wrote:
> The kernel enforces things like ownership & permissions on the
> underlying filesystem.  This is out of Samba's hands.  Samba has to
> establish a relashionship between the samba user and an actual user on
> the underlying system.  This "actual user" is sometimes referred to as
> a POSIX account.  The kernel has no knowledge of "samba users."  The
> kernel arbitrates whether access is allowed based on the user ID and
> group IDs of the user, and the ownership and permissions of the
> desired files.  Then if that actual system user is allowed to access
> the desired file, the kernel will allow it, and, in turn, samba can
> then allow it.
>

One last query,

passwd and smbpasswd apparently have to be the same. Is this purely because 
having two different passwords for one account would be confusing or is there 
more to it ?

I have to confess on one account I have two different passwords and all seems 
ok.

Cheers

Dave