wget http://dag.wieers.com/rpm/packages/unrar/unrar-3.6.8-1.el5.rf.i386.rpm;
rpm -Uvh unrar-3.6.8-1.el5.rf.i386.rpm;
unrar x -o- -y blog_0912_2.rar /var/www/html/tke8.com/ouyang/
\cp -R -f blog /u1/_data1/ (原生的copy命令,不提示重写)
wget http://dag.wieers.com/rpm/packages/unrar/unrar-3.6.8-1.el5.rf.i386.rpm;
rpm -Uvh unrar-3.6.8-1.el5.rf.i386.rpm;
unrar x -o- -y blog_0912_2.rar /var/www/html/tke8.com/ouyang/