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// for UNIX machines (such as an Linux machine)
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Several demos are attached.
Download all the files from this site, change the
priority mode of files "r" and "makefile-1.mak" to
make them command files (by typing "chmod 700 r" and
"chmod 700 makefile-1.mak").

To compile and execute a program, type "r" then followed by
the name of that program (the .cpp extension is not needed
in the command line).
For instance, to compile and execute the program "zoomin.cpp",
simply type:

    r zoomin