Thanks John,

I was using quickref and the TRKFMT did not show up.  However, I went to the 
actual manual and lo and behold there it is

Lizette
>
>>>> 
>> I have a need to do a DOD type clearing of some dasd before 
>> it is returned to the vendor.
>> 
>> I found the CBT Tape entry (737) but was wondering if there 
>> is another one out there that will write Binary 0's and 1's 
>> for the number of times I specify?  I do not have DITTO.
>> 
>> Thanks.
>> 
>> Lizette
>
>Have you considered ICKDSF? There is the TRKFMT ERASEDATA function as
>well as the INSPECT CHECK(n) NOPRESERVE. 
>It is slow, but it does write a pattern from 1 to 10 times.
>We use SAE.
>

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