RussP

1
(define-key global-map [f1] 'find-file)
(define-key global-map [f2] 'save-buffer)
(define-key global-map [f3] 'revert-buffer)
(define-key global-map [f4] 'buffer-menu)

(define-key esc-map [f1] 'view-file)
(define-key esc-map [f2] 'save-all-buffers)
(define-key esc-map [f3] 'kill-current-buffer)
(define-key esc-map [f4] 'goto-line)