Windows 7 Startup Screen — Black

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Ubuntu Logo — Orange

1280 × 1024

Ubuntu Logo on Desktop

1280 × 1024

Linux Mint Logo — Green, Calm

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Linux Mint Logo

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Linux logo on dark background

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Penguin on Laptop

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Ubuntu Studio Logo — Blue

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Ubuntu logo on dark background

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Ubuntu logo on textured background

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Debian logo on dark background

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Tux penguin on a chrome box

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Windows Operating System

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Five Penguins in a Row

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Windows XP Logo — Green

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Ubuntu Logo on Dark Background — Gold

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Windows 8 Logo — White

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Android Robot Ice Cream Sandwich

1280 × 1024

Windows 7 Desktop

1024 × 760

Windows 7 Logo — Blue, Minimalist, Digital Art, Abstract Shape

1024 × 768