# System Variables

UNT | Lowest Available Local Channel

Numeric System Variable

## Contents

Integer, lowest channel/file number not open

## Description

The UNT variable contains the lowest available channel/file number.

#### Note:
Some older Business Basics opened the printer on channel (1). If you are dealing with such applications in legacy code, try using HFN instead of UNT.

## See Also

ENABLE Re-enable Use of Prefix Table Entry
PREFIX Set File Search Rules
HFN Highest Available Local Channel

## Example

CHAN_NUM=unt
open (CHAN_NUM)"FILENAME"
print CHAN_NUM
?
1