Grabbing hold of logged out but active tty

[Darren Pilgrim]

> From: Oren Baum
> 
>   I'm running 4.10 and was wondering if there's a trick to 
> regaining control of another tty session that is still 
> running (under ps) but I (the user) have been logged out. 
> This happens to me on occasion when I'm running some programs 
> in the background and am logged out by the shell.

Kill the background processes in question.  The tty will be returned to the
pool automatically.