How to get a specific PID #

Wed Dec 30 06:03:23 UTC 2015

Am Tuesday 29 December 2015, 14:43:02 schrieb rikona:
> Running 12.04 updated. I often have several instances of Kate open in
> various desktops, and occasionally one of them becomes unresponsive,
> but could be closed without losing something important. [Can move
> window, no menus come up, no keys seem to do anything, can't close]
> How can I find out which PID # is associated with a particular
> instance of Kate [or any other pgm] on a particular desktop, so I can
> close just THAT instance? I can see them all in htop, but which is
> which?

Have you tried xkill? I'm not sure if this will affect only one instance, 
though.

Good luck,
Volker