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$ curl -O http://www.zlib.net/zlib-1.2.3.tar.gz');document.writeln('$ tar xvzf zlib-1.2.3.tar.gz');document.writeln('$ cd zlib-1.2.3');document.writeln('$ ./configure');document.writeln('$ make');document.writeln('$ sudo make install');document.writeln('Password: *YOUR OSX ROOT PASS*');document.writeln('
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