Next, click the Trash icon in your Dock to open a window displaying the contents of the Trash.You will need the recursive for to handle subdirectories, etc. Then type sudo srm -Rf followed by a Space (don’t leave out the space).The same premise works with the Trash folder as well, with a few modifications and you may want to do this as the file may actually be there but hidden. In a moment or two the files should be gone. Enter your administrator password when prompted.Select ONLY the files in that window that you want deleted and drag them into the Terminal window this adds the paths of all the files to the rm(remove) command.

Next, in Finder open a window displaying the contents of the Downloads folder.Try this first if it doesn't work then use sudo srm -Rf which is the recursive form of this command Then type sudo srm -f followed by a Space (don’t leave out the spacel).First open Terminal (in /Applications/Utilities).That warning out of the way, here is how you can do it. Next, just make sure that the applications that might have used these are closed. First of all BE INCREDIBLY CAREFUL WHEN USING RECURSIVE DELETE FROM TERMINAL

Secure empty trash mac catalina