What is unix? a program for writing documents graphical interface internet browser operating system

The correct answer is D. Operating System

Explanation:

In technology, an operating system is responsible for most of the functions of a technological device as this manages the resources of the device and allows users to access them. Some of the most famous operating systems include Microsoft Windows and macOS although there are alternative operating systems such as Linux or UNIX. In the case of UNIX, this operating system is used mainly for computers and it uses a modular design that implies the system is divided into different sections or modules. According to this, UNIX is an operating system.

answer; i believe its the shape outline icon,select the shape or text box to add or change border; ///shape

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