operating-system

Ubuntu logo on wood texture

1680 × 1050

Windows 7 startup screen

1920 × 1200

Windows 7 startup screen

1920 × 1200

Windows 7 startup screen

2560 × 1600

Ubuntu login screen

1600 × 1000

Windows 8 promotional graphic

1920 × 1080

Windows startup screen

1440 × 900

Windows 7 startup screen

2560 × 1600

Windows 7 desktop background

1920 × 1280

Linux penguin logo

1024 × 768

Windows 7 logo on dark background

2560 × 1600

Debian logo on blue background

1920 × 1200

openSUSE logo on green background

1920 × 1200

Slackware Linux boot screen

1680 × 1050

Slackware Linux logo

1680 × 1050

Ubuntu Linux wallpaper

1600 × 1200

Arch Linux logo icon

2650 × 2650

Linux operating system logos

1024 × 640

Windows 8 boot screen

2560 × 1600

Windows 8 logo on gradient

2560 × 1600

Windows 8 logo on blue background

2560 × 1600

Windows 8 startup screen

2560 × 1600

Windows 8 startup screen

2560 × 1600

Windows 8 logo on gradient

2560 × 1600

Windows 8 logo on green background

2560 × 1600

Windows 8 logo screen

2560 × 1600

Windows 8 logo screen

2560 × 1600

GNU Linux Gnome desktop

1280 × 1024

Tux the penguin mascot

2000 × 2386

Ubuntu logo with tagline

1366 × 768

Ubuntu 11.04 desktop background

1280 × 1024

Ubuntu 11.04 logo on purple background

1280 × 1024

Ubuntu 11.04 logo

1280 × 1024

Ubuntu 11.04 logo

1280 × 1024

Ubuntu 11.04 logo on green tiles

1280 × 1024

Arch Linux logo on textured background

2560 × 1600