Came here to reminisce about xroach. Back in the day, it wasn't uncommon that the security configuration of an X workstation was open to external windows/displ

Came here to reminisce about xroach. Back in the day, it wasn't uncommon that the security configuration of an X workstation was open to external windows/display. e.g. you could run a program on your system, but target your neighbor's display. I think universities did this to make it easier to help/troubleshoot a workstation remotely, but once you figured out the commands, xroach was one of my favorites to run on another machine.