;tMake sure qY is defined, 
  mY should set q7 = 1 for write, 2 for quit, 3 for write and quit.
enter command file name.
 hk;y hx9
<hkg9 j(.-z); :s u1 q1"Ezj' q1"N-d' .,zx9 
hx8g8 ht;t   @i\;y[8my]8\ ji;r hx0 0u7 m0 
(q7-1)"Ezj.u0g8@i\;u\;t Writing q8;t;t
        q0ji;w-2c.,zx0m0'
(q7-2)"E;t Sequence Terminated
 0; '
(q7-3)"Ezj.u0g8@i\;u\;t Writing q8;t;t
        q0ji;w-2c.,zx0m0;t Sequence Terminated
 0; '
>