$ ls -l /cygdrive/c/WINNT/Microsoft.NET/Framework/v1.0.3705/csc.exe -rwxrwx--- 1 Administ SYSTEM 49152 Jan 5 2002 /cygdrive/c/WINNT/Microsoft.NET/Framework/v1.0.3705/csc.exe*
だったので,
$ chmod 755 /cygdrive/c/WINNT/Microsoft.NET/Framework/v1.0.3705/csc.exe $ ls -l /cygdrive/c/WINNT/Microsoft.NET/Framework/v1.0.3705/csc.exe -rwxr-xr-x 1 Administ SYSTEM 49152 Jan 5 2002 /cygdrive/c/WINNT/Microsoft.NET/Framework/v1.0.3705/csc.exe*