Suppose I did an
export DISPLAY=:1 in an X forwarded ssh session. Now I want to reset it back to its original value so that when I launch X apps they show up on my screen and not on
:1. Is there any way to find what it was and set it to that ? Or does the value get lost irrevocably once it is overwritten ?
I don't want to have to restart ssh session just because I changed the value of