Low Level Hard Disk Access
DOS
- BIOS Int 13h (need BIOS Extensions for disks above 8GB)
Windows 9x
- DOS programs: like DOS, but must use volume
lock/unlock for write access
- Win16 programs: must call BIOS Int 13h via DPMI
- Win32 programs: 32bit to 16bit thunking to a Win16 DLL
Windows NT
- DOS programs: not allowed
- Win16 programs: not allowed
- Win32 programs: CreateFile(), ReadFile(), WriteFile()
Linux/UNIX
