Downloading and Unpacking the Software Under
UNIX 
You can download the newest SAP DB database software for your operating system from the SAP DB Homepage (http://www.sapdb.org) under Software.
Take account of the relevant notes about disk capacity and the tested operating system versions.
...
1.
Select the SAP DB software
package that corresponds to your operating system architecture and the desired
installation
profile
SAPDB-<inst_profile>-<os>-64bit-<arch>-<version>_<build>.<tgz>
2.
Download the software
package and unpack it using the following command:
tar
xvzf
sapdb-<inst_profile>-<os>-64bit-<arch>-<version>_<build>
In this local
directory, the system creates a subdirectory
sapdb-<inst_profile>-<win>-<32|64>bit-<arch>-<version>
and stores the SAP DB software including the SDBINST program there.