Orphans are usually files that contain temporary data created by a program, files created by the user, partial files left over from a computer crash, or any other kind of miscellaneous files created for almost any other reason. The problem is that an uninstall program doesn't delete the orphan files it leaves behind because they were never part of the program when it was first installed. Up until recently, public opinion held little faith in freeware or open source software - often regarding it as low-quality knock-off's of better known commercial products. But if you take a good look at what's being offered at no cost, you may be in for a big surprise. The quality of today's freeware and open source software created a strong rift among the commercial community and it's literally driving the competition bananas! Kids will enjoy the ability to play multi-player games and adults will enjoy the ability to blast a single message to everyone at once or maintain a group schedule. Since we're describing a home network that will connect to the Internet, you're strongly advised to install a protective firewall program to thwart Internet viruses, worms, or other damaging spyware code. Compressing Files When you want to upload a file or email a collection of files to a friend, it's best to archive it as a .zip or .sit file first. This will decrease the time it takes for your computer to send it elsewhere, and it will also decrease the time it takes for someone else to download it. To create your own . Apple's Macintosh computer was among the first of a couple systems to establish a user-to-hardware relationship through a user-friendly interface. Today, we have quite a few operating systems. Some of the more popular ones are Windows Vista, Mac OS X, ZETA, IBM, Unix, and Linux. But even still, operating systems have extended onto to non-computer devices such as game consoles, portable music players, and PDAs. One of the biggest problems that new computer users have with technical support is not knowing how to correctly describe the problem that they're having. And it isn't fair to expect a tech support person to automatically know what a "thing-a-ma-jingy," or "whatcha-ma-call-it" is. The following describes the correct names for common components of software so that when you experience a problem, you can effectively describe an issue that you're having and a technician can readily resolve it.