[Samba] Multiple Groups Assigned to a File

[Jess Cannata]

I'm new to this group so I hope that this is the right place to ask this 
question (if not, let me know):

We are setting up several Samba servers and we've run into a problem with 
file permissions. We've have a few shared folders that we'd like for some 
GROUPS to have read/write access and other GROUPS to have only read access. 
I cannot figure out how to do this because Linux/Unix seems to have the 
limitation that a file can only be owned by one user and one group, and the 
permissions are only applicable to the owner (user and group). Is there a 
way to assign more than one group to a file, and make it so the different 
groups have different permissions (Like NDS and Microsoft do)? If not, how 
do people get around this?

Thanks for any help.

Jess Cannata
Systems Administrator
Advanced Research Computing
Georgetown University

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