Preinstallation Instructions for Linux on POWER 32-bit and 64-bit

SAP Open Server is compiled and linked with IBM XL C version 10.1.

Before you install SAP Open Server, install the runtime libraries for the IBM XL C compiler. Otherwise, you will receive an installation error.

Verify that IBM XL C runtime packages were installed earlier by issuing: vacpp.rte-10.1.0-0

If the command returns vacpp.rte-10.1.0-0, it indicates that IBM XL C runtime packages were installed earlier, and you may proceed with the installation of SAP Open Server.
If the message is:
```
package vacpp.rte-10.1.0-0 is not installed
```
Download the IBM XL C version 10.1 runtime executables from the IBM Web site at https://www-304.ibm.com/support/docview.wss?uid=swg24021253
Follow the instructions on the Web page to download and install the packages. Ensure to select the installation package for Red Hat 5.3 operating systems from the download table.

When installation of IBM XL C version 10.1 runtime libraries is complete, you may proceed with the installation of SAP Open Server.