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25 What are Mosaic, html, http, and browser? |
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25 What are Mosaic, html, http, and browser? |
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This article is from the Amiga Networking FAQ, by Richard Norman with numerous contributions by others.
Mosaic is a hypertext based multimedia interface for browsing the Internet, thus
it is referred to as a browser. Mosaic is the name of the browser created by NCSA
for Xwindows, Macs, and Windows. In the last year several other browsers have
been created for the various platforms. Some are free and others are commercial.
Amosaic is developed by public domain effort for the Amiga. Although it may not
have all the toots and whistles of the other browsers, it is free! Also, it was
started after the others and thus has to play catchup. Development of all of the
browsers has been slowed down because they are all dependent on html and http
which are in a state of change.
The browsers are primarily used to access the thousands of World Wide Web (WWW)
servers, but can also be used to access WAIS, Gopher, and others. They enable
the user to click on hypertext links which will automatically use the network
services such as FTP to retrieve the information pointed to by the link
regardless if it is text, sound, or graphics. They utilize shareware and public
domain viewers and players of the users choice to play the sounds or to display
the pictures or animations. Thus the browser is a point and click front end to a
wide array of other software.
Navigating the Web can be a challenge due the enormous size, but there are
several tools that make it easier. The simplest tool is the usage of a common
naming convention for the main WWW servers. Most large organizations have their
primary server named www. For example, NASA's primary server is called
www.nasa.gov. Microsoft's server is called www.microsoft.com. Can you guess what
NewTek's server is called ?
Once you know the name of the server, it is very easy to create the URL which the
browser needs to make the connection. URL stands for Universal Resource Locator
which is just a scheme for specifying the type of link to make, to which host,
and optionally which file. To open NASA's front door (primary home page) just use
the Open URL menu option and type: http://www.nasa.gov This says make an http
connection to www.nasa.gov. Since no file was specified it will get the default
home page for that server.
Other navigation tools include search utilities, the what's new page, and indexes
by category or subject. Most of this is explained on line. Just go explore.
Continue to:
amiga, pc, hardware, sotware, networking
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