Ubuntu Logo on Textured Background — Black

1024 × 768

Windows Seven Logo — Black, Dark, Sleek

1680 × 1050

Ubuntu Logo on Dark Background — Black, Minimalist

1920 × 1200

Ubuntu Logo on Dark Background — Black, Minimalist, Digital Art, Text

1600 × 1200

Windows 7 Logo — Blue, Clean, Modern, Digital Art, Number 7

1920 × 1200

Windows 8 logo

1920 × 1080

Ubuntu Logo on Purple Background — Calm

1600 × 1000

Linux Logo — Black

1600 × 1000

Ubuntu Logo on Brown Background — Calm

1887 × 1510

Ubuntu desktop background

1024 × 768

Linux Logo on Dark Background — Black, Dark, Technical

1280 × 1024

Ubuntu desktop background

1366 × 768