M-x dired
- g Update the entire contents of the Dired buffer (revert-buffer).
- l Update the specified files (dired-do-redisplay). You specify the files for l in the same way as for file operations.
- s Toggle between alphabetical order and date/time order (dired-sort-toggle-or-edit).
- C-u s Refresh the Dired buffer using switches as dired-listing-switches.
- d Flag this file for deletion.
- u Remove deletion flag on this line.
- x Delete the files that are flagged for deletion.