In a message dated 7/27/2005 5:22:39 P.M. Central Daylight Time,  
[EMAIL PROTECTED] writes:
 
>I very vaguely seem to remember useing SUPERZAP/MVS? (in a ROSCOE  monitor)
>about 20+ years ago to read an entire track, Seems like it read  EVERYTHING,
>Even told me where the EOF markers were. Not an SP and it was  Loooong ago.

>?????

 




SUPERZAP, aka IMASPZAP, is still with us, and it will display almost  
everything on a track.  It will not display the Home Address or any part of  
R0.  It 
does not display any count fields, but the count fields can be  inferred and 
reconstructed from what it does display.  It does not display  key fields 
unless you trick it with the following JCL:
//SYSLIB DD DSN=my.data.set,DISP=SHR,...,DCB=KEYLEN=255,...,other  parms
This will cause it to display key fields of up to 255 bytes.
 
I can't now remember how the original topic of erasing DASD changed into  
Superzap, so let me add that Superzap will not erase data on a track, only  
change data.  
 
Bill Fairchild

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