How to change process status?

[EdwardKing]

I use FreeBSD7.0

$./a.out &
$

There is show nothing,like such as [1] 27537
Why? 

----- Original Message ----- 
From: "Fernando Apesteguía" <fernando.apesteguia at gmail.com>
To: "EdwardKing" <zhangsc at neusoft.com>
Cc: "FreeBSD" <freebsd-questions at freebsd.org>
Sent: Monday, July 21, 2008 2:32 PM
Subject: Re: How to change process status?


> 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.
> 
> 
> Cheers
> 
>>
>> Thanks
>>
>>
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