Apple Pay: what is it and how to use it
Apple Pay is a payment system that allows you to pay for goods in stores by attaching an Apple mobile device to the terminal. The system works according to the NFC protocol and only on terminals that accept contactless payments (they must have a PayPass or PayWave label). The system is compatible only with models older than the iPhone 6, including the iPhone SE, as well as with the Apple Watch. In the latter case, the system will be able to configure through the iPhone 5, 5s and 5c.
To pay, you need to bring the gadget to the terminal, select the card in the application and attach your finger to the Touch ID sensor. On Apple Watch, a payment is launched by double-clicking on the power button and does not require special authorization. Neither Apple Pay nor other payment services charge Continue reading
Linux operating systems
Linux is not an operating system, but just its kernel. Everything that you are accustomed to see and understand as an OS (buttons, windows and panels) – in fact, it is not. What you see is the GUI (Graphical user interface), that is, the graphical user interface, also called the graphical environment or graphical shell. GUI is a program designed to simplify the life of the user so that he does not suffer from the console. In fact, any OS looks like a console, that is, like the good old DOS.
The types of operating systems built on the Linux kernel vary widely both in providing a working environment and in the set of applications available in the OS. This is partly because some programs Continue reading