Grasping More of the vi Editor - This article covers manipulating vi's default behavior and cutting and pasting within as well as across files.
Grasping the vi Editor - In this column the author will show you some of the basic editing commands and shortcuts available in the editor for moving around.
Hands-off Editing With sed, Part 1 - Learn why the sed editor is your best bet if you need to make systematic changes across multiple files.
Hands-off Editing With sed, Part 2 - In part 2 of this article, the author explores even more options with sed that most people don't realize even exist.
Processing Files With Awk, Part One - Learn how to process files with Awk, a flexible text processing utility that can be used almost as a programming language.
Processing Files With Awk, Part Two - With over 20 examples, the author goes in even greater depth than in part one about the power of using Awk.