Int 62 Fn 0F  - Cswitch - Load And Run Program From Disk                   [T]

   AH = 0Fh
   ES:BX -> command line
   CX = priority (1-10)
   DX = background flag (nonzero allows loading to EMS)

Return: AX = 0000h task loader queue is full
      = 0001h  no error

See Also: AH=07h,AH=10h,AH=13h