How do I kill all screens?
I'm a little bit puzzled over just how you took care of to create 1000 "screens". Did you probably suggest 1000 screen home windows (1000 various incurable home windows within a solitary screen session)?
If you suggested 1000 home windows within a solitary screen session, after that an extra classy remedy would certainly be to give up screen making use of the command
C-a \ (ctrl - an adhered to by bkslsh).