Windows 7 is a custom operating system of the windows nt familyWindows 7 is a custom operating system of the Windows NT family
A map of the solar system with the trajectories of the planetsA map of the solar system with the trajectories of the planets
Weapons demonstration: russian sniper rifle with silencerWeapons demonstration: Russian sniper rifle with silencer
The logo of the windows operating system on a yellow and gray background with a blue stripeThe logo of the Windows operating system on a yellow and gray background with a blue stripe
The operating system is distinguished by its complexityThe operating system is distinguished by its complexity
Yellow-orange logo of the linux ubuntu operating systemYellow-orange logo of the Linux Ubuntu operating system
Elite sniper with a blindfold in equipment under the sunElite sniper with a blindfold in equipment under the sun