Once you get the hang of regular expressions, you'll find them invaluable. The trick is to start small - I'll show you how.

and one of these programs is Grep. It’s installed everywhere there’s a *nix installed, and once one becomes familiar with it, their command-line-fu reaches an all new level. The trouble is ...

I recently found myself wondering how big various man pages are. Some are so long, they seem impenetrable, while others have ...