While visiting a restaurant in Hungary, I noticed one of its computers displaying an unfamiliar HP-related interface. I'm mainly familiar with Windows and don't know much about HP operating systems. Does this appear to be HP-UX or another HP platform, and what would a system like this typically be used for?
4 Answers
HP-UX is possible in the broadest sense, since some desktop environments have run on it, but it would be unusual here. The interface and icons look much more like a regular Linux desktop, possibly with a customized or outdated KDE theme. The foreground program appears to be a catering or restaurant-ordering system.
This is most likely a Linux installation using KDE or Plasma, with an old-looking theme and a specialized restaurant point-of-sale application running on top. The HP logo is probably just a printer, imaging, firmware, or hardware utility—not the operating system itself.
The Hungarian text seems to describe a specialized POS and delivery/order application, including customer information, order types, discounts, and payment totals. These systems are often built for a particular local vendor, so identifying the exact distribution from the screenshot alone would be difficult. The HP icon in the taskbar is likely an unrelated hardware or printer companion utility.
The desktop has several KDE clues, including the menu and file-manager icons. It may not actually be an old installation—the operator could simply be using a modern Linux system with a deliberately old icon set and theme. The 2005-looking text is probably part of the application or a displayed creation date, not necessarily the age of the operating system.
The desktop could also be a customized POS image with an old Java application in the foreground. That would explain why the application looks much older than the surrounding KDE components.