From Fedora Project Wiki
system-config-language
What is system-config-language?
system-config-language is a graphical user interface that allows the user to change the default language of the system.
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Grab the latest source from CVS
You can get the current source using the following commands:
$ export CVSROOT=:pserver:anonymous@rhlinux.redhat.com:/usr/local/CVS $ cvs -z3 login (hit enter) $ cvs -z3 co system-config-language