How to change process status?

[Dan Nelson]

In the last episode (Jul 21), EdwardKing said:
> From: "Fernando Apesteguía" <fernando.apesteguia at gmail.com>
> > On 7/21/08, EdwardKing <zhangsc at neusoft.com> wrote:
> >> I make a process running in background,like follows:
> >> $./a.out &
> >>
> >> I want to know how to change a.out from backgound to foreground
> >> and how to stop it?
> > 
> > with "fg" and the number the shell returns after you placed the
> > process in the background. Let's say:
> > 
> > $./a.out &
> > [1] 27537
> > 
> > fg %1
> > 
> > -- Here the shell will bring the process to the foreground --
> > 
> > Now you can stop it with Ctrl-c for instance.
> 
> I use FreeBSD7.0
> 
> $./a.out &
> $
> 
> There is show nothing,like such as [1] 27537
> Why? 

/bin/sh doesn't print the job number when you background a process.  You
can use the "jobs" command to list all backgrounded and suspended jobs. 
In your case, you only have one job, so you can just run "fg %1" or
even "fg".

-- 
	Dan Nelson
	dnelson at allantgroup.com