Hi,<BR><BR>Long time ago when i wrote a simple program, i used a condition inside a while loop, that alowed me to exit the loop while it was runing, when i pressed the CTRL + Z or Q (not sure) comand.

WHILE loops test the condition at the beginning of the loop. If the condition is met, the code within the loop is executed before the program loops back to test the condition again. This program would ...

The DO statement designates a group of statements that are to be executed as a unit, usually as a part of IF-THEN/ELSE statements. The iterative DO statement executes a group of statements ...