Utilizing ATS/360, a large business could maintain all its end-user documents, revising and printing new versions of these as required.
Also using ATS/360, a large law practice could maintain its client files, including witness statements and depositions, and several landmark legal decisions were significantly assisted using ATS/360.
This, then, allowed for 16-bit disk block addresses, that could later be converted to the expected and required CCHHR format.
ATS/360 was very efficient in its use of main storage, and it was not uncommon to support quite a few terminals in a minimum size partition or region.
It was also very efficient in its use of system resources, and it had its own task dispatcher which worked seamlessly with PCP, MFT/MFT-II and MVT, for which it was originally designed, with SVS and, later, with Haas's support, with MVS.