f for

3. play for free slots %var% is an "environment variable". play for free slots It's valid anywhere ("global") until you explicitly destroy it (by undefining it or by endlocal, if it was defined after a setlocal ) %f is a "for-variable" or "loop-variable" (I also heard the term "Metavariable") It's valid only within the for loop and has no meaning after the for loop ends