On 9/26/17 11:42 PM, Dave Horsfall wrote:
> On Tue, 26 Sep 2017, Chet Ramey wrote:
> 
>>> Yeah, but still doesn't answer the question, application-wise.  I'm
>>> gonna guess (without digging through the source) that it's a "dup2(0,
>>> 255)*" or something, to "save" a copy of stdin/out/err for some obscure
>>> reason.
>>
>> I already answered this.
> 
> You didn't, actually, 

I really did: job control and terminal operations. I added more detail
in another message this morning.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet at case.edu    http://cnswww.cns.cwru.edu/~chet/