> Up until somewhat recently many POS terminals in small stores were just standard desktop PCs wrapped in a custom case and with some custom software Even in l

> Up until somewhat recently many POS terminals in small stores were just standard desktop PCs wrapped in a custom case and with some custom software Even in larger stores they ran Windows. I used to work for a large supermarket in the UK and the checkouts even now run on Windows NT and Windows XP with a custom UI. There are special versions of Windows for this sort of thing: https://en.wikipedia.org/wiki/Windows_Embedded_Industry https://en.wikipedia.org/wiki/Windows_Embedded_Industry