Learn how to permanently and securely delete files on Linux using shred, fstrim, secure-delete, and btrfs snapshot removal.

There are many ways to clean up or remove files, including using commands such as rm (remove), rmdir (remove directory), shred, and unlink. The rm (remove) command is the most obvious way to remove ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

Ever type “rm -rf dirname” and then realize you’ve just blown away the wrong directory? You can always alias the rm command to “rm -i”, but let’s look at a way that you can selectively determine which ...