CVS for Small office

[Linux New bie]

Hi CVS Gurus!

I like to install Linux Based CVS Server.


Following group like to use the CVS
S_Manager
Marketting
Developement
tester

All need different permissions such write/read/noaccess
eg:
Developement need their software programmers to write/read permisson for 
  their files by their group or part of their group members and testers 
should only have the read permission on the source code but marketting 
in noacess to their source code.

Is it a way I can have different write/read files for each of the 
directories under CVSROOT. So that I can create the different write/read 
files which hold different users in the directory level.

Please let me know the best practice to implement the above scenarios

Thanks
Linux New bie