Most people who are getting started with Linux or UNIX today already know how to use graphical WYSIWYG (what you see is what you get) editors, with heavy use of the mouse, icons and pull-down menus.

If you prefer to use vi or vim for command-line editing, you can configure shells to use vi key bindings instead of emacs-style key bindings. Here’s how. By default, most shells use emacs-style key ...

Most Linux users know vim as a text editor that descended from vi. It can also function as a tool for encrypting text files. In this post, we examine how this is done and how to reverse the process.