Download the installation file from http://www.sun.com/download and save it in a temporary directory in your Solaris SPARC, x86, or Linux system. The installation file is in the format:
sun-web-proxy-server-4.0-platform.tar.gz
Change to the directory on your UNIX system where you copied the file. For example:
cd /tmp/Sunproxyinstallable
Unzip the .gz file by using the gunzip command in this format:
gunzip filename.tar.gz
Untar the unzipped file using the tar -xvf command in this format:
tar -xvf filename.tar
This command unpacks the server files and creates a temporary directory structure under the current directory. Unpacking the file may take a little time. When the files are unpacked, you will see a /ProxyServer directory and the following files: