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The Second World War. Operation in Normandy
Ubuntu operating system technology
Large Windows operating system logo
Operating system logo on a gray-black background
Soldiers are preparing for combat operations
A metal robot performs an operation
Active training of tankers for combat operations
The logo of the operating system on the computer
Retro computer window. Windows Operating System
Europe's mobile phone operator vedafone
Operating system for mobile phones and other platforms
Blue background and operating system logo
Operating system for mobile phones and other platformsOperating system for mobile phones and other platforms