i use "gzip -d linux-509.tar.gz" to unzip the file.
in the README file, it tells me as follow:
To install Acrobat Reader 5.0.9, follow these steps:
- Make sure you have at least 30 MB of available disk space
- Install Reader 5.0.9 by running the INSTALL script
Then i double-click the "INSTALL" , the system tells me "Cannot open INSTALL".