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Yellow-orange logo of the linux ubuntu operating systemYellow-orange logo of the Linux Ubuntu operating system
Operation barbarossa. the soviet army is trying to break through the german corps. onethousandninehundredfortyoneOperation Barbarossa. The Soviet army is trying to break through the German corps. onethousandninehundredfortyone
Windows operating computer system on a gray backgroundWindows operating computer system on a gray background
Microsoft windows operating system blue backgroundMicrosoft Windows operating system blue background