で、mountの出力はこんなの D:\TEMP on /tmp type user (binmode,noumount) c:\MinGW on /mingw type user (binmode) C:\msys on / type user (binmode,noumount) C:\msys on /usr type user (binmode,noumount) c:\msys on /msys type user (binmode) c: on /c type user (binmode,noumount) d: on /d type user (binmode,noumount) f: on /f type user (binmode,noumount)