vi ~/.cshrc
//增加如下内容

setenv LANG zh_CN.UTF-8
setenv LC_CTYPE zh_CN.UTF-8
setenv LC_ALL zh_CN.UTF-8

对于bash
vim .login_conf
me:
:charset=UTF-8:
:lang=zh_CN.UTF-8:

修改shell
chsh -s /usr/local/bin/bash {username}