On Mon, May 13, 2024 at 02:03:59PM +0100, Richmond wrote: > >> sudo xterm -e "echo 1 > hello" > Yes, but why did it allow me to delete the file? I was not root > then. Try it. Because you have write permission on the *directory* that the file is in. Removing (unlinking) a file is an operation that modifies a directory, not the file itself. You don't need write permission on the file. Just the directory.