> A) make any file created in a dir inherit the dirs group id.
chmod g+s directory
should do it I think.
The other one I can't help you with sorry.
--
Craig Ringer
GPG Key Fingerprint: AF1C ABFE 7E64 E9C8 FC27 C16E D3CE CDC0 0E93 380D
-- if it ain't broke, add features 'till it is. (or:)
while (! broken) { features ++ ; broken = isBroken(features) }