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.

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.

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 ...

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

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.

How to use an iPad as a second screen for your Mac The ability to use an iPad as an extra display is built into macOS and iPadOS, and it works completely wirelessly. This means you don’t need a ...

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.

This razor-thin IPS display attaches to the side of your laptop to extend your working area. It measures 12.5 inches diagonally and offers full 1080p HD resolution.

To be clear, this isn't a second monitor in the traditional sense; it doesn't extend my PC's display, nor does it even connect directly to my PC. Instead, it's an always‑on activity and task ...

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.

I have two monitors and just about every morning I'll wake up my computer and find that my second monitor "forgot" its "Extend these displays" setting.