Ubuntu is a free computer system, like Windows or macOS, but it’s built by a community. It’s great for programmers because it’s very flexible and has lots of tools already built-in that help you code.

Research indicates that a variety of different social behaviors help prevent loneliness and foster a sense of community and belonging.

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Gross margin represents the amount of total sales revenue that a company retains after incurring the direct costs associated with producing the goods sold by the company.