What is an Operating System?

An operating system is the primary software that manages all the hardware and other software on a computer. The operating system, also known as an “OS,” interfaces with the computer’s hardware and provides services that applications can use.

How to Enable Dark Mode for Gmail

Microsoft just added a dark mode to Outlook.com, but Google is way ahead of Microsoft. Gmail has had a dark theme for years. Here’s how to enable it—and get a better, more complete dark mode for Gmail, too.