> just did a little testing to see what my machines will do about this.
> 
> Linux: wraps around, uid of 70000 wraps to 4xxx (don't remember exactly) so
> linux doesn't check to see if this happens.  that isn't so good.  the other
> news is that linux does support 65535 users.
> 
> Solaris 2.5.1: UIDs over 65535 are just fine, UID 70000 is a vaild UID.  so 
> Solaris does in fact use 32bit UID's.  cool.
> 
> just our of curiosity, anyone know what NetBSD does about this??

NetBSD whines if you try to use UID or GID greater than USHRT_MAX (see
passwd.c in libutil).  I don't know if these checks could simply be removed
or if there's code than expects UID and GID to fit in a 16-bit int somewhere.

  -jm


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