From owner-freebsd-questions@FreeBSD.ORG  Wed Nov 29 17:36:59 2006
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Date: Wed, 29 Nov 2006 19:35:43 +0200
From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: Dan Sikorsky <dan@cupid.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Using Screen
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On 2006-11-29 12:22, Dan Sikorsky <dan@cupid.com> wrote:
> Hey, I have a good question for you guys.
>
> Lets say, I started a job on a computer, if you must know, portmanager
> -u , and then left... but I know its sitting there stuck on a config
> window waiting for someone to press enter...  I do not have screen
> installed on this machine...
>
> my question is, can I ssh in, install screen (or not i suppose it
> wouldnt matter) and bring that process to either screen, or my ssh
> terminal?

In general, "no".

You can _try_ using watch(8), from a superuser session, but I am not
sure if it will catch whatever has already been displayed on the side
of the watched terminal...