INT 15 - MultiDOS Plus - EXECUTE A MULTIDOS PLUS COMMAND AH = 0Fh DS:BX -> 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. command Return: after command has been processed Notes: specified string is executed as if it had been typed at the MultiDOS command prompt the task is placed on a queue which MultiDOS examines periodically and is suspended until MultiDOS has processed the command all lowercase characters up to the first blank are converted to upper case within the given buffer