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Old 03-12-2005, 11:25 PM   #1
Phonon
LQ Newbie
 
Registered: Mar 2005
Posts: 3

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Newbie (Send PID to background problem)


Dear mates,

I really need your help for now ...
I installed Ubuntu Warty release last week - and everything works fine so far ...
however I messed up a little bit the following thing:

Starting e.g. emacs from a terminal (xterm, gnome-terminal) with

emacs &

and closing the parent terminal also closes emacs (sic !)

I am really looking out for infos (was looking in google for 3 hours now),
what could be the reason for this behavior. I would be very thankful
for any little hint.

Thx a lot and cheers,

Stephan
 
Old 03-12-2005, 11:40 PM   #2
Matir
LQ Guru
 
Registered: Nov 2004
Location: San Jose, CA
Distribution: Ubuntu
Posts: 8,507

Rep: Reputation: 122Reputation: 122
When you send it to the background, it is still associated with your terminal. On logging out, a HUP signal is sent to all the programs, including those in the background. Use of the "nohup" utility is indicated in these situations.
 
Old 03-12-2005, 11:42 PM   #3
droscigno
LQ Newbie
 
Registered: Mar 2005
Location: Seattle
Posts: 1

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Try doing this instead:

( emacs & )

The parens around the command will spawn a subshell, so when you
close your term emacs will keep on running.
 
Old 03-12-2005, 11:50 PM   #4
Phonon
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Registered: Mar 2005
Posts: 3

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100000 x thx !!!

You mates are really great ... Linux community for ever !!... both hints work perfectly ...

just a short comment on this: On a redhat enterprise machine I normally use just
the & and the process is a new parent (and not a child any more),

There tcsh is running, not bash ... is this the reason for that ?

Thx very very much for your help ...
 
  


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