Sorry again, but practice makes perfect. I wish my memory was that as well. Data Interfile Testing and Transfer Operations Russell ---------- Forwarded message --------- From: Russell Reiter <rreiter91@gmail.com> Date: Mon, Apr 5, 2021, 2:10 PM Subject: IBM DITTO def. To: GTALUG Talk <talk@gtalug.org> Sorry about a previous attestation error, on another topic IBM DITTO is Data Interfile Testing and Transfer Object https://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=DD&subtype=SM&htmlfid=897/ENUS5655-103 Russell “Th’ newspaper does ivrything f’r us. It runs th’ polis foorce an’ th’ banks, commands th’ milishy, controls th’ ligislachure, baptizes th’ young, marries th’ foolish, comforts th’ afflicted, afflicts th’ comfortable, buries th’ dead an’ roasts thim aftherward.” F. P. Dunne