One of the most widely used network topologies (and the one most often used in medium to large Local Area Networks) is the bus network. A bus network uses a cable to which are attached all the network devices, either directly or through a junction box of some sort. Each device uses a transceiver to connect to the backbone. The manner of attachment depends on the type of bus network, the protocol in use, and the speed of the network. The main cable that is used to connect all t....

Sometimes stealing an entire computer may be too obvious or difficult, but stealing the components inside may be a lot easier. After all, anyone can tell when a computer suddenly disappears from a desk, but who will notice when a computer suddenly loses a hard drive, a video card, an external Zip drive, a trackball, or a memory chip? To stop someone from walking off with an external device, such as an external hard drive or computer speakers, you can glue a ....

USENET is a collection of discussion groups (called newsgroups) available to Internet users. The over 13,000 newsgroups generate over 100M of traffic every day. Of all these newsgroups (which cover every conceivable topic), several are dedicated to Linux. These newsgroups are a useful forum for information and answers to questions about Linux.You can read USENET newsgroups through newsreader software that accesses either the Internet or a local site that offers USENET service ....

One of the more recent crazes on the Internet is online auctions, where people can offer junk, antiques, or collector’s items for sale to anyone who wants to bid on them. But be careful! Besides having to deal with fraudulent bids from people who have no money or intention of buying an item up for auction, consumers have to watch out for con artists selling their own fraudulent items. The simplest con game is to offer an item for auction that does....

Linux was developed as a freely distributable version of UNIX. UNIX is the most widely used operating system in the world and has long been the standard for high-performance workstations and larger servers. UNIX, first developed in 1969, has a strong programmer-oriented user group that supports the operating system.How did UNIX get its name? It was based on an operating systems called MULTICS (MULTiplexed Information and Computing System). Ken Thompson, Dennis Ritchie, and Bri....