Int 7F Fn E2  - Alloy Mw386 - Switch To New DOS Task                       [N]

   AH = E2h
   AL = DOS process number (from AH=E1h)

Return: CF set on error (invalid process number or caller not foreground task)

Notes: specified task becomes the foreground task and current task is placed
     in the background
   may only be called by a foreground task

See Also: AH=E0h,AH=E1h