Samba and CIFS question

[Javid Abdul-AJAVID1]

> Hi all,
> Is samba implments CIFS.
> I thought CIFS is based on SMB
> am assuming SMB is opensource protocol
> Just wondering if am running samba 2.2.5 does it mean am running CIFS
> also what version of CIFS?
> when i sniffing SMB packets which commands should i be looking at CIFS or
SMB
>
> thanks in advance