Why no job control in 386/ix?

Daniel E. Platt platt at ndla.UUCP
Sat Nov 25 05:32:30 AEST 1989

In article <15244 at haddock.ima.isc.com>, news at haddock.ima.isc.com (overhead) writes:
> In article <251 at ndla.UUCP> platt at ndla.UUCP (Daniel E. Platt) writes:
> >In article <3880 at amelia.nas.nasa.gov>, izen at amelia.nas.nasa.gov (Steven H. Izen) writes:
> >> The C-shell which was included with 386/ix (a system V UNIX for 386 boxes)
> >> does not support job control.  Is this because
> >> 	1) The kernel is missing something required to support it,
> >> 	2) ISC was too lazy to implement it, or
> >> 	3) other?
> >The answer is closer to option 1) (please forgive verbosity... I need to fill
> >space to get this through the news filter...)
> Change the >'s to #'s.
> >The Job Control features are based on Berkely xx.xx (pick your version).  The
> >C Shell (csh) sends SIGSTOP and SIGCONT.  These Berkely functions are not
> >available on SysV (AT&T Unix), and most of the other Unixen supported on
> >i386 boxes. 
> OK, I'm getting tired of reading how 386/ix doesn't have Job
> Control (JC).  As a developer, I've been running an inhouse
> version of JC for some time.  ....

Ok, you are providing Berkely JC in your kernal.  That's Great!  However,
SysV doesn't generally have JC.  Many other products based on System V
(Stellix, Irix, &c) do support it.  Also, some Unixen running on '386's
already in distribution do support JC (for example AIX-PS/2).  I still don't
know why you'd flame people who answered a simple question like: 'why doesn't
SysV have job control?' as if it were a personal attack on your prodigious
software development efforts?

Dan Platt

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