MENUECHO system variable
Function Description:
The MENUECHO system variable is used to set menu echo and prompt control bits.
Type : Integer
Saved in : Not saved
Initial value : 0
Range : 0 ~ 15
System Variable Value:
1 : menu echo disabled
2 : display menu echo, but do not display system prompts
4 : disable ^P toggle of menu echoing
8 : display input/output strings