(define-key map "$" 'dired-hide-subdir)
(define-key map "\M-$" 'dired-hide-all)
;; misc
+ (define-key map "\C-x\C-q" 'wdired-change-to-wdired-mode)
(define-key map "?" 'dired-summary)
(define-key map "\177" 'dired-unmark-backward)
(define-key map [remap undo] 'dired-undo)