operating-system

Windows 7 startup screen

2000 × 1250

Windows Vista Ultimate logo

1920 × 1200

Windows 7 logo on blue background

1920 × 1200

Windows 7 Ultimate logo

1920 × 1200

Windows logo on dark background

1920 × 1200

Windows 7 default wallpaper

1920 × 1200

Windows 7 startup screen

1680 × 1050

Windows 7 promotional wallpaper

1920 × 1200

Ubuntu logo on grunge background

1440 × 900

Slackware Linux logo

1600 × 1200

Tux the penguin mascot

1024 × 768

Windows logo 3D render

1920 × 1200

Windows Vista abstract background

1280 × 800

Ubuntu logo on blue background

1280 × 1024

Gentoo Linux boot screen

1280 × 960

Arch Linux logo

1024 × 768

Arch Linux logo on dark background

1280 × 1024

Slackware Linux logo

1600 × 1200

Windows 2000 mascot character

1280 × 1024

Linux distributions collage

1000 × 800

Windows 7 logo and number

1280 × 800

Chibi OS characters collection

1024 × 768

Valkyrja 2.1 desktop

1440 × 900

Ubuntu logo with dragon

1024 × 600

Windows 7 default wallpaper

1920 × 1200

Windows 7 logo on dark background

1600 × 1200

Windows 7 startup screen

1680 × 1050

GNU/Linux logo with bull and penguin

1600 × 1200

Ubuntu Tux G2 splash screen

1280 × 1090

Windows logo on dark background

1920 × 1200

Windows Seven logo

1440 × 900

Choose your poison

1280 × 1024

Ubuntu logo on digital background

1280 × 800

Windows vs Linux penguin

1600 × 1200

Ubuntu logo on orange swirl

1600 × 1200

Linux mascot character art

1024 × 768