RE: Multi-user, Multi-tasking.

[Albert DE WINT <adwint pandora be>]

Op ma 16-06-2003, om 23:48 schreef Mark Knecht:
> Albert,
>    I'm sure I'll get this wrong, but give these a little thought...
> 
> # app
> (then log out. This app will be killed I believe)
> 
> # app &
> (then log out. This app will continue to run, but if it was an X app you
> will not be able to reconnect to it, as far as I know, since you will have
> killed X when you log out.)
> 
> #screen app
> (screen will allow you to disconnect from the app and then reconnect later.
> I do not know if you can reconnect to an X app, but you can to a text app.)
> 
> Also check out 'nice' which would give you app lower priority as the other
> person needs CPU power, but would give it back to you when he's using it.

I did check 'nice', it takes 97 % of my CPU. 
But I don't notice any interference while doing other tasks.
The remaining 3% seems to be plenty for text editing and sending E-mail.

Thanks for the reply, all of you!

> These are just ideas. I never use any except the second, which I use to run
> Seti Home 
> 
> Mark
> 
> 
> 
> > -----Original Message-----
> > From: redhat-install-list-admin redhat com
> > [mailto:redhat-install-list-admin redhat com]On Behalf Of Albert DE WINT
> > Sent: Monday, June 16, 2003 2:38 PM
> > To: redhat-install-list redhat com
> > Subject: RE: Multi-user, Multi-tasking.
> >
> >
> > I have to admit, I don't understand your question.
> >
> > I run day-by-day applications as a 'normal' user, never as root.
> > I only become root if absolutely necessary.
> >
> > If I log-out as a non-privileged user, all my applications are
> > shut-down. Is that correct?
> >
> > Right now I'm running a number crunching application that takes a VERY
> > long time.  So, I want this job to continue, even when another,
> > non-privileged user comes in to run his tasks.  How can this be done?
> >
> > Op ma 16-06-2003, om 23:25 schreef Steven Fullmer:
> > > Would there be a reason why you couldn't just log out of root
> > > while another user jumps on?
> > >
> > >
> > > -----Original Message-----
> > > From: Albert DE WINT
> > >
> > > Hi,
> > >
> > > I suppose this is be a VERY basic question.  Unfortunately, I can't
> > > find the answer in any manual.
> > >
> > > I understand Linux is fully multi-user, multi-tasking.
> > > How can I log off, in order to allow another user to log-on the same PC,
> > > without my running background tasks, being interrupted or shut-down.
> > >
> > > Maybe I should lock my account (without logging out), and allow another
> > > user to go ahead, without interfering in my applications?
> > >
> > > (Before I forget, this is a stand-alone PC, obviously.)
> > >
> > > Thank you for answering this very simple question.
> > >
> > > Albert
> > >
> > >
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> 
> 
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