Extend faq.using to discuss fork failures

[Christopher Faylor]

On Fri, Aug 19, 2011 at 12:11:42PM -0400, Ryan Johnson wrote:
>On 19/08/2011 11:56 AM, Corinna Vinschen wrote:
>> (*) http://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_spawn.html
>That would be ideal, other than the SHTDI part...

I actually told Linus Torvalds that I'd do it a few years ago.  So
I'm sorta on the hook, I guess.

cgf