Setup for escreen configuration,

escreen-config.el

(require 'escreen)

;;Escreen setup functionality
(escreen-install)
(escreen-number-mode 1)
(setq escreen-prefix-char "\C-z")
(global-set-key escreen-prefix-char 'escreen-prefix)

;;Function to prompt before killing the given screen
(defun escreen-prompt-kill-p ()
  "Prompts the user whether they want to kill the current screen,
kills the screen if true"
  (interactive)
  (if (y-or-n-p "Kill Current Escreen?") 
      (escreen-kill-screen)))
      
;;Key Bindings for escreen navigation

;;function keys can be used to navigate between screens
(global-set-key (kbd "<f9>") 'escreen-create-screen)
(global-set-key (kbd "<f10>") 'escreen-goto-prev-screen)
(global-set-key (kbd "<f11>") 'escreen-goto-next-screen)
;;(global-set-key (kbd "<f12>") 'escreen-kill-screen)
(global-set-key (kbd "<f12>") 'escreen-prompt-kill-p)