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The logo of the windows operating system on a yellow and gray background with a blue stripeThe logo of the Windows operating system on a yellow and gray background with a blue stripe
Microsoft windows 8 operating system in a minimalist styleMicrosoft Windows 8 operating system in a minimalist style
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
Yellow-orange logo of the linux ubuntu operating systemYellow-orange logo of the Linux Ubuntu operating system