To really keep the session alive and kicking, try using 'screen'.
then you can even log in from your house, and check the outputs.
--Vardhan
On Tue, Oct 22, 2002 at 03:24:57PM +0530, Vikas Pandit wrote:
> ----- Original Message -----
>
> From: Vikas Gandhi
> To: [EMAIL PROTECTED]
> Sent: Tuesday, October 22, 2002 2:33 PM
> Subject: [ilugd]: Background process killed
> Hi All
> I am facing a strange situation. I running a process witn
> &(background) and gets killed when I close the session. However it
> does not happen with other processes. The thing was rectified when I
> ran the process with nohup option.
> Can someone explain this behaviour.
>
> All processes "initiated by a user" will always be terminated once the
> user closes the session (logs off the computer).
>
> In the case a user wishes to have a process run even after a close of
> session using the "nohup" option will keep the process executing until
> the job is finished.
>
> example:
>
> nohup find /home -type f -name .bash_history > history_output 2>
> error_file &
>
> now if the user logs off the process would continue running and the
> output and error messages if any would be stored in history_output and
> error_file respectively. With the "&" at the end the user could get
> the prompt to log off the computer. Alternatively the user could have
> started the process with the "nohup" option and not with the "&" at
> the end and at a later point in time want to send the process to the
> background and then logoff the system, he would first press CTRL + Z
> to suspend the executing process then type "bg" to send the suspended
> process in the background and then logoff the session and still have
> the program executing. In case the program generates an output and no
> output file has been specified a file with the name "nohup.out" is
> created into which the output is automatically stored.
>
>
>
> I have some questions.....
> 1. Whats the diff between running a process in background and running
> a process with nohup in background?
> 2. Does a process should get killed by itself whenever I logout out of
> this session or not?
>
>
> Thx
> Vikas
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