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原因是 是用户下面使用的是 /bin/dash
修改方法:
ls -l `which sh`
输出:/bin/sh -> dash
sudo dpkg-reconfigure dash #Select "no" when you're asked
ls -l `which sh`
输出:/bin/sh -> bash
原因是 是用户下面使用的是 /bin/dash
修改方法:
ls -l `which sh`
输出:/bin/sh -> dash
sudo dpkg-reconfigure dash #Select "no" when you're asked
ls -l `which sh`
输出:/bin/sh -> bash