You can easily add Chinese support to CentOS by installing the following packages:
# yum -y install scim-chinese-standard scim-tables-chinese
# yum -y install fonts-chinese openoffice.org-langpack-zh_TW
Please do the following to enable the Chinese Support, you can even view Chinese when you are logged in English session.
Login to root, type:
# yum groupinstall "Chinese Support"
and you will get all the necessary Chinese language support packages for the application, like OpenOffice and Firefox, installed on your system.
You can also use the same command for Japanese or Korean. It would be like the following.
# yum groupinstall "Japanese Support"
or
# yum groupinstall "Korean Support"
To change the language configuration after you have completed the installation, use the Language Configuration Tool.
# system-config-language
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