为什么`dir *。*`给我所有文件和文件夹?
当我运行dir *.*它会产生意外的结果。甚至会列出名称中没有任何点的文件和文件夹。例如 C:\>dir *.* Volume in drive C is System Volume Serial Number is AC0A-29DA Directory of C:\ 14-03-2017 05:17 PM 8,192 ntuser.dat 03-01-2017 07:10 PM <DIR> Perl520 28-03-2017 10:13 AM <DIR> Program Files 28-03-2017 10:13 AM <DIR> Program Files (x86) 04-01-2017 03:25 PM <JUNCTION> Python27 [C:\Program Files\Anaconda] 06-02-2017 10:16 …