Novell LINUX ENTERPRISE SERVER 11 - DEPLOYMENT Deployment Manual page 195

Figure 13.1 Setting the Language
To install an additional language, proceed as follows:
1 As root, start YaST.
2 Select System > Language.
3 Select the desired languages from the list of languages offered in Secondary
Languages. When you leave this dialog with Ok, YaST installs the additional
localized software packages. The system is multilingual, but you need to set the
desired language explicitly to start an application in a language other than the
primary one.
4 To make this language the default (the primary language), select it under Primary
Language:
Changing Language and Country Settings with YaST 183