| System Variables |
|
| Numeric System Variable | |
| Contents | Integer, highest local channel/file number not open. |
| Description | The HFN variable contains a numeric value (integer) representing the highest available local channel/file number. This value will be in the range: 0 to 63 (0 to 32767, if the 'XF' system parameter is set). |
| Examples | ->?HFN 63 ->SET_PARAM -'XF' ->?HFN 32767 |