Many of us used “big iron” back in the day. Computers like the IBM S/360 or 3090 are hard to find, transport, and operate, so you don’t see many retrocomputer enthusiasts with an S/370 in ...

Data are available in both an IBM 360/370 format and a "Universal Character" format ... A number of specific groups of companies can be extracted from the tape by the following key fields: Series ...