1)  dos1 ( ): File size       9, Read length       6,
            : Handle size     9, Buffer length     6,
2)  dos1 (b): File size       9, Read length       9,
            : Handle size     9, Buffer length     9,
3) unix1 ( ): File size       6, Read length       6,
            : Handle size     6, Buffer length     6,
4) unix1 (b): File size       6, Read length       6,
            : Handle size     6, Buffer length     6,
5) p.exe ( ): File size   20069, Read length    4716,
            : Handle size 20069, Buffer length  4716,
6) p.exe (b): File size   20069, Read length   20069,
            : Handle size 20069, Buffer length 20069,