INT 2F - DR DOS 6.0 TaskMAX - SWITCH TO SPECIFIED TASK                          
	AX = 2706h
	DX = task index (see AX=2701h) of task to be activated
Return: DX = task index of previously-active task
Note:	the TaskMAX API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running.  Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. is also supported by Novell DOS 7 TASKMGR in
	  both taskswitching and multitasking modes
SeeAlso: AX=2705h,AX=2707h,AX=2715h