Hi Steve,
I'm not sure if anyone answered this one but a normal process would die.
However a daemon would not--it keeps on running independent of users.
I know you do programming, you should get a good Linux or UNIX
programming book and see just how easy it is to write daemons. That's
one of the coolest things about Linux. What you do is start a parent
process, fork a child process and then kill the parent. By UNIX
convention then inherents the process id of init pid of 1. That's what
makes it a daemon.
Jim Wantz WB0TFK
On Tue, 18 Jun 2002, Steve Holmes wrote:
> I've seen the nohup mentioned various times and yet I do things like
> <command> & with no 'nohup' and I could logout without killing the job
> so wonder what the nohup is really doing there.
>
> Further thing, Teddy, if you want to be able to followup and see the
> output of this job later on, you can do something like this; just
> substitute command with the command-line and options of your choosing.
> command >outfile 2>&1 &
> the >outfile redirects all output to the file, outfile and the 2>&1
> forces both stdout and stderr to be captured; the & forces the command
> into background as has been previously mentioned.
>
> If you don't redirect the output this way, you will loos access to any
> output the command has to offer when you logout.
>
> I've compiled my kernel this way numerous times; start this up, logout
> go away and log back in several hours later with output waiting for
> me.
>
> I should also add that when output is being captured this way, you can
> also monitor this output later, if the job is still running, by 'tail
> -f outfile' The tail command lets you look at the file while it is
> still being written to. Just hit the control-C key to break out of
> tail when you want to get out.
>
> See 'man tail' for more info.
>
> On Tue, Jun 18, 2002 at 07:10:51PM +1000, Shaun Oliver wrote:
> > Hi teddy,
> > Try using nohup command &
> > the nohup allows you to run a process without interuption. even when you
> > logout.
> > the & or ampusand, tells the second command to background itself after
> > execution.
> > so if you do that and then logout, it'll continue to run.
> > hth
> >
> >
> > --
> > Shaun Oliver
> >
> >
> > In a world whithout fences
> > and walls who needs Windows and Gates?
> >
> > EMAIL: shaun_oliver at optusnet.com.au
> > ICQ: 76958435
> >
> >
> >
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