代码: 全选
$ dash -c 'echo a > /'
dash: 1: cannot create /: Is a directory
$ dash 'dash -c 'echo a > /''
bash: /: Is a directory
代码: 全选
$ dash -c 'echo a > /'
dash: 1: cannot create /: Is a directory
$ dash 'dash -c 'echo a > /''
bash: /: Is a directory