You can find installation instructions on Sun's website http://www.sun.com
From the sun site:
Installing on Unix
1. Navigate to the directory where you downloaded the bundle file.
2. Change the permission of the bundle file so that you have execute access:
chmod +x <bundle-file-name>
3. Run the installation program.
1. To run the installation program that uses a graphical interface, at the command prompt type the name of the bundle file at the command prompt.
2. To run the installation program that uses the command-line interface, at the command prompt type the name of the bundle file followed by the -console option.