I think it's pretty neat to see that places such as Lowes are using Linux as their operating system in store computers and point of sale systems. In my opinion it's a smart choice. Linux is free to use and modify, it's also very stable once you have it configured properly.
It doesn't come to much of a surprise actually to discover that Lowes is using Linux to power their computer systems. What is more of a surprise is the number of businesses not using Linux. If you want to see a great discussion about the Lowes Linux system, check out the comments on this page.