TIMER
[/?]
[/n]
[ON|OFF|SPLIT]
/?/nThe TIMER command controls three interval timers maintained internally by the command interpreter. If its argument is the single word "ON", it resets to zero and starts the given timer. If its argument is the single word "OFF", it stops the given timer, and displays the elapsed time. If its argument is the single word "SPLIT", it displays the elapsed time of the given timer, but leaves the timer running. Any other argument is a syntax error.
If no argument is supplied, TIMER will alternately start and stop the given timer.