operating system

Windows 7 Login Screen — Blue, Minimalist

2560 × 1440

Windows XP Logo — Black, Dark

1024 × 768

Windows 8 Logo — Black, Neutral

1920 × 1200

Ubuntu Logo on Background — Yellow

1920 × 1080

Windows 7 Logo — Blue, Calm, Digital Art, Text

1680 × 1050

Linux Penguin Logo — Black

1024 × 768

Windows 8 Logo — Blue, Neutral, Minimalist

1920 × 1080

Windows 7 Logo — Brown, Neutral, Digital Art

1835 × 1147

Windows XP Logo — Blue, Neutral, Digital Art

2560 × 1600

Windows 9 Logo

1920 × 1080

Windows 7 Logo — Blue, Neutral, Minimalist

2560 × 1440

Windows 8 Logo — Blue, Neutral, Vector Art

1280 × 800

Windows 7 Logo — Blue, Neutral, Vector Art

1920 × 1080

Ubuntu Logo — Orange, Neutral, Vector Art

1494 × 834

Windows 7 Logo — Orange, Neutral

1366 × 768

Windows XP Logo — Blue, Serene, Digital Art

1280 × 800

Windows 8 Logo — Blue, Minimalist, Digital Art

2400 × 1350

Ubuntu Logo on Dark Background — Gray

1680 × 1050

Ubuntu Logo and Slogan — Orange

1366 × 768

Windows 8 Logo — White, Dramatic

1600 × 1000

Windows Startup Screen — Blue

1440 × 900

Linux Mint Logo — Black, Modern

1920 × 1080

Debian GNU/Linux Logo — Black

1600 × 1200

Blue Sky with Clouds — Serene, Photograph, Logo

1024 × 768

Computer Shutdown Message — Black

1920 × 1200

Windows 7 Logo — Blue, Serene, Digital Art, Clouds

1920 × 1080

Linux Mint Logo — Black

2560 × 1600

Mac OS X Logo — Black

1920 × 1200

Mac OS X Desktop

1920 × 1200

Windows 7 Logo — Gray

1920 × 1080

Penguin with Text

1280 × 1024

Linux Mint Logo — Green

1600 × 1200

Ubuntu Logo on Blue Background — Minimalist

1366 × 768

Red Hat Linux Logo — Neutral

800 × 600

Ubuntu Logo on Dark Surface — Black

1920 × 1200

Windows Vista Logo — Blue, Serene, Digital Art, Text

1280 × 800