Sets how many temporary prompt lines for a single command are displayed above the command window.
| Type: | Integer | 
| Saved in: | Registry | 
| Initial value: | 3 | 
By default, the command window displays a single prompt line. A temporary prompt history displays above the command window while a command is in progress. Enter a value from 0 - 50 to specify the maximum number of lines displayed in the prompt history for a single command.
The following example displays a single-line command window and a three-line prompt history above it.
