T1 Connection A phone or data connection that can support the transfer of up to 1.544Mbits of data per second. T1 connections are popular among businesses and ISPs. Most T1s are connected to T3, which can handle up to 43Mbits per second and are actual Internet backbone connections. Tape back-up A popular and inexpensive way to back up Web sites. Contents of a site are periodically stored that looks similar to a cassette. Some cassettes can store several gigabytes. Telnet A command-line interface that allows remote users and Web servers to communicate. TCP Short for Transmission Control Protocol, an important network protocol. TCP allows two hosts to connect and exchange data, and ensures that "data packets" are delivered exactly as sent. TLD Shot for Top Level Domain, the suffix for major domain names like .com, .net and .org. UNIX A text-based, multitasking Operating System suitable for Web and network administration. Unix has spawned numerous popular spinoffs, including Linux and FreeBSD. Most Unix-based Operating Systems are open source, meaning the source code to the Operating System has been made freely available to the public for modification. Most Web hosting companies and resellers offer Unix-based hosting in some capacity or other. USENET A network of thousands of discussion groups (known as newsgroups; see above) on the Internet. UUENCODE Short for Unix to Unix Encoding, a method of converting images to ASCII (see above) text in order to be transferred over the Internet. Virtual host A shared hosting solution, the most basic of hosting types. Numerous Web sites are shared on one server. Virtualization A process/software designed to reduce server management costs through automation, while providing more control over service levels. Virtual Private Server (VPS) A virtual private server provides the features of a dedicated server on a machine that is shared by other Web hosting customers. Customers therefore get hosting services that are similar to that of dedicated Web hosting without sacrificing privacy or performance. WHOIS A central database which tracks all domain name/IP registrations. Windows NT/2000 These are graphic-based, multitasking Operating Systems developed over the past few years by Microsoft. Both can act as standalone OS for personal computers/workstations, or can serve as an OS for a Web site/network. Most Web hosting companies and resellers offer Windows-based hosting in some capacity or other. XML Short for Extensible Markup Language. XML is a language allowing developers to create their own markup tags. All XML tags are defined by the programmer, and can be interpreted differently in different applications. For example, the "" tag in HTML means Italics, but could mean anything in XML, depending on the function the developer assigns to it.
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