sit file, you can select a single file or a group of files from within Explorer, and right-click the selection. Again, depending on how you installed Winzip or StuffIt, you can click the "Add to Zip" or "Add to Sit" option and have these programs automatically archive the file(s) into one. The Windows operating systems already comes with a useful collection of pre-installed programs and even some games. But one of the first things that people do is download a butt-load of new programs as soon as a brand new system is plugged in the wall and connected to the Internet. This article looks at some of the programs that are included with most new systems and then asks the reader to consider if they're sufficient. But once the decision to buy a computer is set in stone, what can be done with the old one? There are alternatives to selling a computer and this article is going to introduce a few of them. 1. Give it to the kids. This is of course, assuming the kids are too young to whine about not having enough SDRAM or less than a 160GB hard drive. Introduction to Programming Controlling Your Computer with a Programming Language In a previous article, we introduced automating some tasks with MS-DOS batch files. In this article, we're going to introduce programming and describe how it can be used to control the way your computer works. Normally, computer novices aren't interested in controlling the computer. Shareware may or may not be limited - meaning that some functions may not be available to you until the program is paid for. These limitations are often small and don't interfere with the way its full version operations. They're really just implemented as a way to prompt payment. Remember that shareware is not freeware. But without seeing the extension, you wouldn't know it unless you double-clicked on it. The following list defines some of the most common extensions that you'll find on your computer. .au - This extension indicates a sound file. Most sound players will load up and play this kind of file. .art - This extension indicates an image file that was compressed with AOL (America Online) technology.