[CamperBob2]

The only weird thing is how antiquated their computer systems are, it's amazing they are so profitable with 70's era technology running the business.

That's what I always think whenever I'm in a Starbucks and see the drive-through orders appearing on an IBM PC-era 80x25 text display. But hey, if it works, and if it's reliable, and if it doesn't have to talk to too many other systems, why not?

[copperx]

If I were to build a POS system from scratch in 2019, ncurses for the interface would be my top choice, and I can't think of many reasons to pick a GUI toolkit, except if there was a need to show pictures.