added: /home/yueyang/bin -> /home/yueyang/bin:/usr/local/bin:/home/yueyang/perl5/bin:/usr/local/bin:/home/yueyang/perl5/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/BerkeleyDB.4.6/include/:/home/yueyang/.rvm/bin:/home/yueyang/.rvm/bin