1. Download the package into your /tmp directory.
2. As superuser, type:
   
   
cd /
zcat /tmp/<name>.tar.Z | tar xvf -
 
Example:
 
cd /
zcat /tmp/aC++_xdk.tar.Z | tar xvf -

Note: Be sure to install the os_xdk.tar.Z file along with one or more of the compilers, to complete the cross development environment

After installation /opt/xdk-ia64 will contain subdirectories such as:

./usr/include
./usr/lib
./opt/ansic/
./opt/fortran90
./usr/ccs/bin

 Example:   /opt/xdk-ia64/opt/ansic/bin/cc