for /l %%a in (1 1 3) do md %%a pause
for /l %%a in (1 1 3) do md %%a
pause
md 1;2;3 pause
md 1;2;3
md 1 2 3 pause
md 1 2 3
来源:
https://www.jb51.net/article/16266.htm