INT E6 - Linux DOSEMU - EXECUTE UNIX COMMAND                                    
	AH = 50h
	ES:DX -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. Unix command
SeeAlso: AH=00h,AH=51h