Related to Ultimate OS concept art

Slackware Linux logo

1600 × 1200

GNU/Linux logo with bull and penguin

1600 × 1200

Linux logo on dark background

1600 × 1200

Windows and Apple logos

1024 × 768

Cyberdyne Systems logo

1680 × 1050

Apple and Windows nCore wallpaper

1024 × 640

Windows 9 logo on blue background

1600 × 1000

Apple logo with Windows background

1200 × 750

Tux penguin on dark green

1280 × 1024

Windows 7 logo on dark background

1920 × 1200

Windows 7 logo on dark background

1600 × 1200

Windows Vista logo

1280 × 1024

Windows Vista logo on blue

1280 × 1024

Windows Vista logo on blue background

1920 × 1200

Windows logo on white background

1920 × 1200

Windows Vista logo on blue

1280 × 1024

Windows Vista logo on gradient

1280 × 1024

Windows Vista logo on green background

1280 × 1024

Windows 7 Professional logo

1920 × 1200

Windows Vista logo on blue-green background

1280 × 896

Windows 7 logo on brushed metal

1900 × 1200

Windows 7 Ultimate logo

1920 × 1080

Windows logo with tagline

1920 × 1200

Windows 7 Ultimate logo

1920 × 1200