Mac OS logo on black

1600 × 1000

Mac OS X logo

1024 × 768

Mac OS X logo

1024 × 768

Apple OS X logo

1280 × 1024

Mac OS X logo with circuit board

1600 × 1200

Mac OS X logo on dark background

1600 × 1200

Apple Logo and Text — Black, Minimalist

1920 × 1200

Onihux OS Logo

1920 × 1080

Windows 8 Logo — Black, Minimalist, Digital Art, Text, Gray

2560 × 1600

Ubuntu Logo on Digital Background — Yellow

1920 × 1080

Windows 7 logo art

1920 × 1200

Ubuntu Logo on Digital Background — Orange

1280 × 800