Ubuntu 常用命令

Using ubuntu

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which rails          \\查找路径;

pwd                     \\当前目录;

sudo su                 \\切换到管理员;

sudo mount -t vboxsf sarah /mnt/share

sudo apt-get update          \\更新源;

sudo apt-get upgrade         \\ 更新已安装的包;

sudo apt-get dist-upgrade   \\升级系统;

sudo apt-get clean            \\ 清理无用的包;

sudo apt-get autoclean       \\ 清理无用的包;

sudo apt-get check            \\ 检查是否有损坏的依赖