Whether you’re a retailer or a restaurateur, a point-of-sale (POS) system can make a big difference in streamlining your business. However, the scope of POS is very broad with hundreds of different POS software packages and vendors. You can expect to invest a fair bit of time figuring out what will best fit your business.
I recommend the Linux computer operating system and open source software because they are secure, stable, and efficient. All three POS systems discussed in this article run on Linux, and they all provide good graphical interfaces.