Re: mkdir() and group id

[Thomas Bushnell, BSG]

Marcus Brinkmann <Marcus.Brinkmann@ruhr-uni-bochum.de> writes:

> > I think that I prefer Linux's behaviour.
> 
> I think, too, esp because of the sgid flag.  I wonder what Thomas thinks.

The reason why the copy-gid-from directory behavior is better:

Imagine a rich set of groups on your computer--representing protection
domains for actual groups of actual people.

A given project might be group "foobie", and all the people working on
that project are in the group.  They use a umask of 002.  Everything
works Just Great!  Because when they create files or directories
inside the project, they automatically have the *group* set to
"foobie", even though the primary egid of the user might be
"user-category-6" or something like that.