1 This fix is from the community, details in the following location.

     2 http://lists.research.att.com/pipermail/ast-developers/2013q1/002323.html

     3 

     4 --- INIT.2011-02-08.old/src/cmd/ksh93/sh/fault.c	2014-10-29 12:41:23.239718243 -0700

     5 +++ INIT.2011-02-08/src/cmd/ksh93/sh/fault.c	2014-10-29 14:03:09.196910448 -0700

     6 @@ -519,7 +519,7 @@ void sh_exit(register int xno)

     7  	if(pp && pp->mode>1)

     8  		cursig = -1;

     9  #ifdef SIGTSTP

    10 -	if(shp->trapnote&SH_SIGTSTP)

    11 +	if(shp->trapnote&SH_SIGTSTP && job.jobcontrol)

    12  	{

    13  		/* ^Z detected by the shell */

    14  		shp->trapnote = 0;