Ubuntu has done a lot to popularize sudo by enforcing its use in place of encouraging users to use su to switch to the root account to install software and perform other administrative tasks.
Ubuntu在普及sudo上做了不少工作，强迫而非鼓励用户使用su转换到root帐号安装软件和执行其他管理任务。
Mr. Su: Yes, our company develops software for mobile phone applications. And you?
苏先生：是的，我们公司开发手机应用软体。您呢？
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