查看group中的软件包列表
yum grouplist
安装KDE
yum groupinstall "KDE Plasma Workspaces"
卸载KDE
yum groupremove "KDE Plasma Workspaces"
安装中文字体包
查找中文字体包
yum search kde | grep -i chinese
yum install kde-l10n-Chinese.noarch
启动KDE
startx