Though you could hook up a second monitor or a spare TV to your Mac, Apple does provide options to extend the digital workspace without needing an extra dedicated screen.

How to Do Extended Display in Ubuntu. When you connect a second monitor to your computer, Ubuntu allows you to mirror the desktop onto the new display, stretch the desktop across both displays, or ...

Plugging in a second monitor to extend your computer from one display to two is just about as far from a new concept as you can get, but taking an existing piece of technology and using it as a ...

Let's say you want a second screen for your Mac to extend or mirror your current display. If you're running macOS Catalina or higher and own an iPad, you can do it through a feature called Sidecar.

Universal Control is coming in macOS Monterey, but you can use any device as a second monitor right now with the right software or accessories.

Extend your Mac's display onto a smaller, portable screen, by using your iPad as a secondary monitor and the Duet Display application for OS X and iOS.

With the Sidecar feature in macOS, your iPad can be a second display for your Mac. Here's how to use your Apple tablet as an external monitor ...

However, you don’t have to buy a new monitor to experience this. Well, if you have an iPad, it's very easy to use it as an external display to extend or mirror your primary screen.

The Extend Mode, as its name implies, lets you turn your second device into an extended desktop for your PC. This comes in handy when you want to increase your overall screen workspace.

The Galaxy Tab S11 series upgrades Samsung DeX with the ability to use the tablet screen as a second DeX monitor, giving ...

You can dual monitor with VirtualBox virtual machine or guest OS. To be able to use VirtualBox on Multiple Monitors with any virtual machine, you need to change the default settings.

Besides, I'd need to check width and height for an extended setup since it's possible that the second screen sits above or below the first one.