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When you download a file from the internet it may be in one of several
forms. You can read zip files, PDF files, and postscript files using one
of the following free software tools:
Zip Files - A zip file contains one or more compressed files. Zip files usually have the file extension “zip.” In that case you can use WinZip to unzip the file. WinZip is a great file compression tool. You can download WinZip from www.winzip.com. (Fortunately the download is not a zip file!)
Adobe PDF Files - A document (e.g. a manual, article, or a research report) that is downloaded from the web is often a “portable document format” (PDF) file, in which case it usually has the extension “pdf.” PDF files can be read with Adobe’s Acrobat Reader, which can be downloaded from www.adobe.com. You can download a FREE pdf writer from www.pdf995.com.
Postscript Files - A document could also be in postscript form, in which case it usually has the file extension “ps.” Postscript files can be read with a program called Ghostview. The main Ghostview page is at www.ghostscript.com, but the download may be more convenient at http://www.cs.wisc.edu/~ghost/. Ghostview can also read PDF files.
Humor
Department of Electrical and Computer Engineering
Last Revised: May 5, 2008