Here we provide some basic hints how to open (print) postscript files and how to open gzipped files.

Postscript files.
In order to open the postscript file foo.ps you will need for example GSview. It is a graphical interface for Ghostscript. The most recent version can be downloaded from http://www.cs.wisc.edu/~ghost/
One can download it from various other sites as well, for example from the CTANs (Comprehensive TeX Archive Network), see for a list of mirrors www.ctan.org. It is free, and it is ported for various operational systems (incl. UNIX, LINUX, MacOS, MSWindows, VMS).
If you are UNIX user, the standard Image Viewer will do as well.
Note that if you have to transfer a postscript file via FTP, it is an ascii file, so set the ascii transfer mode. Most of the common browsers (Mozilla, Firefox, IE, Google Chrome) usually recognize the postscript format when downloading a file.

Gzipped postscript files.
(This info is a bit out-of-date. We no longer keep gzipped pdf files. Practice shows that a pdf file shrinks some 15 to 25 % when gzipped. We do keep gzipped postscript files since the compression works fine with them. Thus most of the links to gzipped pdf files are broken. If by chance the link to some pdf file is broken please contact us.)

Gzip is a standard UNIX compressing tool. We chose it since there are clones of it that work in virtually every operating system. Gzip reduces significantly the file size (the postscript files tend to be huge, especially if one embeds graphic files). If your connection is relatively slow (for example if you are connecting via modem) then it is better to download the gzipped file.
In order to open gzipped files you will need a specific program. UNIX and LINUX users can try on the command line

            gzip -d foo.ps.gz

in order to decompress the file foo.ps.gz. If this does not work right then you can try the following on the command line:

            man gzip|more

and then read the description of the available options in your system for gzip.

In MS Windows operating systems the usual Winzip (www.winzip.com) can do the job. (Winzip is shareware.) Else you can use the Aladdin Expander (free); download it from www.aladdinsys.com. Another free gzip/gunzip program for MSWindows is wingz11, you can download it from home.hiwaay.net/~crispen/src/#wingz (the program is GPL-ed), or from here. The file we keep is *.exe, it is sufficient to download it (as a binary file), save it to some (temporary) folder on your disk. Then run it by clicking on it. Answer "yes" to all questions the system will ask. Do not forget to read the accompanying documents. Alternatively, visit www.gzip.org for the most recent issues concernig gzip/gunzip. Another very good (de-)compressing program for MSWindows is Power Archiver. It does the same job as Winzip and much more, in user-friendly way. You can download it from www.powerarchiver.com (it used to be free but now it is commercial). Instead you may wish to try the excellent 7zip program. It is free (GPL-ed), open source program; you can download it from www.7-zip.org It works under MS Windows but on its homepage you may find a command line port for UNIX.
Nowadays MS operating systems come with some built-in capabilities of reading and extracting compressed files. Surely there are very many utilities for extracting and compressing files. We do not intend to list all of them as it seems (almost) impossible. We decided not to put in the list above the excellent utility Iceows since there have been reported several incompatibilities with MS Windows Vista and 7 (in their 64 bits versions).

In MacOS, you can use Aladdin Expander (free), download it from www.aladdinsys.com/expander (Note that Aladdin offer a version of it for LINUX as well.) The Aladdin offer a range of commercial software for Macintosh, for details consult their home page.

When you decompress the file foo.ps.gz, check what the name of the newly created file is. If it is foo.ps, you can open it with GSView (or the program you use for such files). If it is anything else it is better to rename it to foo.ps, and then open it.

GENERAL REMARKS 

The vast majority of files were prepared using TeX/LaTeX and PDFLaTeX afterwards. There are very few files prepared (long ago) using MS Word but these were converted to postscript or pdf as well. The PDF (Portable Document Format) files can be opened and printed using the Adobe Acrobat Reader, you can download and use it for free from the Adobe site www.adobe.com. Note that GSView opens PDF files as well. If you are UNIX/LINUX user you will find a range of PDF viewers already installed in your distribution. There are lots of programs for every operating system that can view and print pdf files.

DISCLAIMER
The info contained in this page is provided on the “as is” basis. That is if you decide to follow our advice you do it at your own risk, and we assume no responsibility. If you think that something might go wrong and corrupt some files on your computer/system then please ask your local computer guru for help.

If you encounter problems with the files (for example they do not open, or open but are not readable, or are corrupted, or even there is something wrong with the links) please contact the maintainer of these pages at   publimat  <at>  ime  <dot> unicamp <dot> br  
But please do not expect an instant answer. The maintainer of these pages takes it as sort of  a  HOBBY  so one cannot expect that I would read the above address every (other) day...  

If you would like to contact some of our authors then please go to our Institute home page on Internet, and look for their addresses. We decided not to provide the authors' e-mails in order to reduce the junk mail (every little helps...)

One further advice. The contents of every research report we maintain on our pages is provided by its authors. The authors are responsible for the contents of their reports and not the maintainer of these pages.

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