Phil Nelson writes:
> I just recently ran into the 16 group limit per user.  I had the
> need to be in more than 16 groups to get the sharing and 
> protection done in the way wanted.  At that point, I discovered
> that 16 was a fixed limit.
> 
> What are the reasons for not:
>   b) If a is not workable, (or some other dynamic scheme),
>      is there any reason we shouldn't up the fixed limit to
>      64 or so?

I believe NFS has a hardcoded limit of 16 (?) groups, so if you
bump NGROUPS you're going to run into problems.

Maybe NFSv4 will work around this.