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All about electronics and circuit design

Verifone payment terminal

I saw this normal screen gas station this morning whan trying to get gas. I put in my credit card, but nothing works. I took the card out. New attempt to put in the credit card made something strange to happened: The card terminal rebooted. I got several screens with all kinds of system information

Linux 25 years birthday!

Linux kernel could be considered to be officially 25 years old today (25 August 2016) as it was publicly announced in in 25 August 1991. I started using Linux actively sometimes in late 1990′s. Happy birthday Linux kernel! What is Linux? article tells that Linux means different things to different people: Purist considers it to