Apple OS X logo

1280 × 1024

Mac OS X logo

1024 × 768

Mac OS logo on gray background

1024 × 640

Debian logo on metallic background

1024 × 768

Ubuntu logo with light effects

1920 × 1200

Windows 8 logo screen

1920 × 1080

Ubuntu logo on colorful grid

1920 × 1200

Windows 7 logo on blue background

1920 × 1200

Microsoft Windows XP logo

1600 × 1200

Windows 8 logo on dark texture

1920 × 1200

Windows 8 logo on dark background

1920 × 1080

Windows 8 logo screen

1920 × 1080

Debian logo on dark background

1920 × 1200

Debian logo on textured background

1280 × 800

Windows 7 logo on metal

1920 × 1200

Windows logo on dark background

1366 × 768

Windows 8 logo

2560 × 1600

Ubuntu logo on red blocks

1366 × 768

Windows 7 logo art

1920 × 1200

Windows 7 logo on purple

1920 × 1080