OPERATING SYSTEM : Today's lot of operating systems have arrived in the marketplace, but some OS gets failed because of their specifications or trends. Let me tell you what is an Operating System in short " an operating system is just a system software which help us to communicate with a machine using graphical or command line interface." That's means when someone using his/her smartphone or computer or any type of device that's sure this device has an operating system and there is a proper way to use this device. Every Operating system has its own way or type of using it. An OS is also making a vital role in the device because there are lot of things in a device which depends on the OS like bluetooth-connectivity, wireless-connections, display and many more things. WORKING PROCESS : Basically an OS is a system software so it contains all information about the hardware of this device. Now it will use this information so it b