This section provides information about the following functions.
| Function | Description |
|---|---|
| Interrupt 21h Function 4302h | Get compressed file size. |
| Interrupt 21h Function 440Dh Minor Code 48h | Lock/unlock removable media. |
| Interrupt 21h Function 440Dh Minor Code 49h | Eject removable media. |
| Interrupt 21h Function 440Dh Minor Code 6Fh | Get drive map information. |
| Interrupt 21h Function 440Dh Minor Code 71h | Get first cluster. |
| Interrupt 21h Function 6Ch | Extended open/create. |