Web Browswer Basics
Description
In order to access files on the World-Wide Web (WWW), you need to use a Web browser. A Web browser will enable you to access files specifically written for the WWW (in HTML format) but it can also allow you to access files via anonymous ftp and other formats. Graphical browsers like Mozilla, Firefox, Safari and Internet Explorer also let you view images that are part of web pages and can launch other applications (or view internally via plug-ins) to view PDF files, PostScript files, VRML files, unsupported image file formats and animations as well as doing other things like viewing audiovisual files. Using a text browser like lynx, you can access all the files which a graphical browser can but you can not display anything but the text.
Highlights: The primary browsers used are Firefox and Mozilla from the Mozilla Foundation and Microsoft's Internet Explorer (not recommended due to security issues). If your machine or login method only supports text, you can use lynx, written at the University of Kansas.
Availability and Setup
For security and safety reasons, we currently recommend the Firefox (or Mozilla) browsers from the Mozilla Foundation over Microsoft's Internet Explorer. Safari on the Macintosh and Opera are also acceptable browsers.
Graphical Users: Log in to the machine you wish to run the browser from and set your DISPLAY environment variable and, if necessary, use xhost to allow the machine you will be running the browser on to display graphics on your terminal. Now, type mozilla to run Mozilla. This should bring up a large window on your screen. You will be logged in to whatever default page the browser is set to bring you to. You can follow hypertext links by clicking on the link. Useful functions are OPEN WEB LOCATION to go to a specific Web document (File Menu->Open Web Location in Mozilla), GO BACK to the document you came from (Back button in Toolbar in Mozilla) and QUIT (File Menu->Quit in Mozilla). Play around by clicking on links and buttons and trying out the other menu options.
Using any web browser, you will be brought to some default starting page by the browser every time you start it up. In each browser, there is a way to change this default starting location. However, an even simpler way to go where you want right at the start is to run any of the browsers with a given URL as an argument. For example, typing mozilla http://scv.bu.edu/ or lynx http://scv.bu.edu/ as appropriate would start you out at the Scientific Computing and Visualization Home Page rather than the browser's default starting page.
Additional Help/Documentation
Help on Mozilla and Firefox: See the Mozilla home page.
Help on Lynx: Visit Lynx or Lynx Help Page.
Questions or problems?
Web Specific: Mail webmaster@bu.edu
Other: Mail help@scv.bu.edu
Document Name: browsers
Author/Maintainer: Aaron D. Fuegi (aarondf@bu.edu)
Executable: /usr/local/bin/mozilla, /usr/bin/lynx
Keywords: www, browsers, netscape, explorer, mozilla, firefox, safari, lynx, web
Machines List: CGL Cluster, IBM pSeries, Linux Cluster, ACS Cluster
Created August 1, 1995; Last Revised April 6, 2006; Last Modified 17:00 06-Apr-06
URL of this document: http://scv.bu.edu/documentation/software-help/webtools/browsers.html
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