Subdirectory Motion Dired Dired Updating
Hiding a subdirectory means to make it invisible, except for its header line, via selective display (see Selective Display).
Hide or reveal the subdirectory that point is in, and move point to the
next subdirectory (
Hide all subdirectories in this Dired buffer, leaving only their header
Ordinary Dired commands never consider files inside a hidden subdirectory. For example, the commands to operate on marked files ignore files in hidden directories even if they are marked. Thus you can use hiding to temporarily exclude subdirectories from operations without having to remove the markers.
The subdirectory hiding commands toggle; that is, they hide what was visible, and show what was hidden.Subdirectory Motion Dired Dired Updating