STOP
STOP is a DCL command that terminates execution of a command, an image, a command procedure, a command procedure that was interrupted by a Ctrl/Y function, or a detached process or subprocess.
Syntax
STOP [process-name]
STOP and EXIT
STOP causes an abnormal termination of the image that is currently executing, and control is returned to command level 0. EXIT accepts different status codes and returns control to the previous command level.