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.

The Linux set command allows you to change the value of shell options or to display the names and values of shell variables. Rarely used, it is a bash builtin, but is quite a bit more complicated than ...

Credit: christin hume / Linux / Modified by IDG Comm. Whether you call it vi or vim, the longstanding Unix editor has a wonderful set of features that continue to make it a versatile and surprisingly ...

Vi is a powerful text editor included with most Linux systems, even embedded ones. Sometimes you'll have to edit a text file on a system that doesn't include a friendlier text editor, so knowing Vi is ...