Display background running process on shell prompt

Posted on 2009-04-10
Last Modified: 2013-12-06

I was wondering if it is possible in HP-uX to take a process that is running in the background, such as being run by CRON, and bring it to your current shell prompt. In other words, say I have a process called "job1" schedule to run at 12PM, and at 1PM I want to see it on my terminal session, can I bring it to my session and interact with it?

Question by:ISGAmin
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Expert Comment

ID: 24116338
if you are referring to job control available in csh, ksh, bash then the answer is no.

If your cron job can at 1 PM open the terminal you are at for input / output then yes

Author Comment

ID: 24116356

Thank you for the response,

When you say open the terminal, what exactly do you mean?

What I am trying to accomplish is this.. Say I schedule a program to run, but there is an error and we need to access it to fix it, how can I access the program to resolve the issue?

LVL 40

Expert Comment

ID: 24116489
Each user when he / she logs in the system assign a terminal device to him / her. You may find it by running the command tty

Now, if you are using telnet or ssh or X windows to login then the device name or the terminal name will be dynamic. But if you login from a console or a terminal that is directly connected then the device name will not change. In such a case, the application can use this device name to send output to it (including errors) and receive input from it. This requires a change in the program to do so.

How do you get the errors from this application?

Author Comment

ID: 24116520

So you are saying that cron can launch a job and direct the output to a specific terminal?

The application is a BASIC compiler that runs on HPUX ,, so the programs are interactive in the sense that they can be stopped and edited, etc, and continue.. if an error occurs on  a line in the program, it halts and sends an error email alert...


LVL 40

Accepted Solution

omarfarid earned 500 total points
ID: 25184429
yes cron can run a job and send its output to a specific terminal

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