Yes! I had to extract some data (in 1997!) off a DOS payroll package written in about 1985 that ran on an IBM 286. It was churning away quite happily. It seemed

Yes! I had to extract some data (in 1997!) off a DOS payroll package written in about 1985 that ran on an IBM 286. It was churning away quite happily. It seemed a bit like a 3270 terminal style application so I assume it was inspired by something distant and IBM. That had track on and track off! On a side note, it was pretty easy to get the data off and reverse engineer the file format using visual basic at the time. Was quite a fun project :)