sudo vim /etc/hosts//修改hostsudo rm//删除文件cd /opt//打开文件夹optping -c 10 dl.google.com//ping 10次，不加参数ctrl+c终止sudo apt-get install unity-control-center//删除ibus之后重建控制面板sudo dpkg-reconfigure -phigh xserver-xorgsudo apt-get install vimsudo chmod 777 eclipse.desktopsudo apt-get install ttf-wqy-microhei ttf-wqy-zenhei xfonts-wqy//好看的字体下载 修复chrome标签栏中文不显示或口口sudo apt-get remove ibus//删除ibus控制面板大多会被一起删除sudo apt-get remove fonts-arphic-ukai fonts-arphic-uming//删除ubuntu14.04宋体显示sudo rm -rf wps-office//删除wpscd /usr/share/fonts//字体文件夹dpkg -l | grep fontsudo apt-get remove wps-officesudo mkdir Java//创建文件夹ls -all//显示所有文件待更新