del /A オプション
| DEL /a:R |
| Del - Delete Files - Windows CMD - SS64.com : http://ss64.com/nt/del.html |
| DEL /A /F /Q /S "%temp%\ |
| How to delete files/subfolders in a specific directory at command prompt in Windows - Stack Overflow : http://stackoverflow.com/questions/1965787/how-to-delete-files-subfolders-in-a-specific-directory-at-command-prompt-in-wind |