A few of the most popular of these tools are gopher

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Unformatted text preview: to locate sites on the Internet. 3. Browsers allow a user to create and maintain a personal hotlist of favorite URL addresses of server computers that the user is likely to frequently visit in future. A user's hotlist is stored on his/her local web client computer. Browsers provide hotlist commands to allow the user to add, delete, update URL addresses in the hotlist and to select an URL address of a server computer from the hotlist when the user wants to visit that server computer. 4. Many browsers have a "history" feature. These browsers maintain a history of the server computers visited in a surfing session. That is, they save (cache) in the local computer's memory, the URL addresses of the server computers visited during a surfing session, so that if the user wants to go back to an already visited server later on (in the same surfing session), the link is still available in the local computer's memory. 5. Browsers allow a user to download (copy from a server computer to the local computer's hard disk) information in various formats (i.e., as a text file, as an HTML file, or as a PostScript file). The downloaded information can be later (not necessarily in the same surfing session) used by the user. For example, downloaded information saved, as a PostScript file can be later printed on a PostScript-compatible printer, where even the graphics will be properly reproduced. Browsers come in various forms and capabilities. The currently available browsers can be broadly classified into the following three types: 1. Line browsers, 2. Graphical browsers, and 3. Java-enabled browsers. They are described below. Line Browsers A line browser is a text-based browser that provides command-line interface to its users. That is, line browsers are capable of displaying only plain text. They denote a hypertext link either by using numbers in brackets like this [1], or by using boldface type like this. Line browsers that use the latter approach to denote a hypertext link are known as Lynx browser and are the most common lin...
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This document was uploaded on 04/07/2014.

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